◈ Example · how an owner sees their instrument's living passport

Oniro · Living Passport

Fuertebonita

B2 · B minor · 17 notes · engraved ding

ONIRO-FBN-017

A note from the workshop

Krystie,

this is Fuertebonita — and it is your work. Over seven weeks you hollowed all seventeen of its notes by hand, following my instructions strike by strike, until a flat sheet of steel learned to sing. I only pointed; the hammer was always yours.

Together we engraved a Māori design into the ding — a spiral for new beginnings and growth. Fitting, for an instrument that was also the beginning of something for you.

Before it left the workshop we captured its sound fingerprint — the print below belongs to Fuertebonita and to no other handpan on earth. From here, its story is yours to write.

Edhu Spina
Oniro Instruments · Barcelona

Birth certificate

Tuning sealed · 14 May 2026 ✦ Sealed
Ding · B2 D3E3 F#3G3A3B3 C#4D4E4F#4 G4A4B4C#5 D5E5
±10¢Warranty
11.4 sMean sustain
97Stability
Integrity fingerprint · c3d8-71ae-4f02-9b55-… (proves the certificate hasn't been tampered with)

Note-by-note analysis

How true each note sat against its target the day it was sealed — deviation in cents for the fundamental and its two tuned partials.

NoteFund.OctaveFifth
Ding · B2 +1¢ -2¢ +3¢
D3 -1¢ +2¢ -4¢
E3 -3¢ +2¢
F#3 +2¢ +1¢ -2¢
G3 -2¢ +3¢ +5¢
A3 +1¢ -1¢ -3¢
B3 +2¢ +4¢
C#4 -1¢ -4¢ +6¢
D4 +2¢ +1¢ -1¢
E4 -3¢ +2¢ +3¢
F#4 +1¢ -2¢ -5¢
G4 +3¢ +2¢
A4 +1¢ +1¢ -2¢
B4 -2¢ -3¢ +4¢
C#5 +3¢ +2¢ -1¢
D5 -1¢ +4¢ +5¢
E5 +2¢ -2¢ +3¢
in tune ≤4¢ within ≤10¢ beyond

Sound fingerprint

The full voice of the instrument captured before it left the workshop — every note and its partials in one spectral print.

1002005001k2k dB Hz
Captured 14 May 2026 · no two handpans share the same print.

How it was born

2 Mar 2026

Shell preparation

Edhu drew and joined two nitrided steel shells — the low B needs a big body to breathe.

9–24 Mar 2026 · Krystie, guided by Edhu

She shaped every note

Krystie hollowed the whole note field by hand, following Edhu's instructions strike by strike — her build, and the heart of the instrument's voice.

3 Apr 2026

The Māori engraving

A spiral etched into the ding — new beginnings and growth. Krystie's mark on the instrument she built.

18 Apr 2026

Thermal bake & settling

Oven treatment to lock the tuning; the steel relaxes and the 17 notes settle into place.

14 May 2026

Fine tuning · fingerprint · certification

Final pass note by note, the sound fingerprint captured, and the birth certificate sealed. Fuertebonita is ready.

Its life so far

Pangonia Festival

June 2026
◎ Handpan gathering · main circle

Fuertebonita travelled to Pangonia, where dozens of makers and players passed it around the circle. The impressions were warm and generous — congratulations to Krystie kept coming for how the instrument turned out, remarkable for a first build.

“Hard to believe this is a first build — the low B is huge and the harmonics are clean.”

— a visiting maker

“The engraved Māori spiral on the ding is stunning. It looks like it has a soul.”

— a player in the circle
Praised aesthetics Māori ding engraving Tried by many makers First build

Built by Krystie, guided by Edhu

E
Edhu Spina
Maker · mentor
guided
K
Krystie Joy
Builder & owner
Built by Krystie Joy under Edhu Spina's guidance,
in Barcelona, spring 2026. Hers from the very first strike.
◍ Ownership verified

“From here, the story is hers to write.”

+ Add a milestone to its life
Oniro · Portals of Frequency