OpenTechnical

OT-2026-000003473

Publication integrity record

Device for handling workpieces

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003473) never changes.

Identity and time

Publication numberOT-2026-000003473 · never reused
Internal UUID01a0a6c4-f957-79d8-b39b-7a740248a8ba · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:32:01.879914Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003473
StatusPUBLIC

Content hashes

Canonical textf90194846bd73d924f68cd46703d9c0be5cf1856035403583a9f5d4b6436a7a8
Markdown308bb2e9fa649487ffd1cf63b3f2409dc7c0c0106ba3697f2054bc7c3a8a6352
PDF
Publication page480175f962f98205771ee99fb0316dfaf390765bd5d6722a2995128f60676796
Manifest72f089ee1b59e0b4577b14e7f15a705ccd70d212cb6c8fdf5cea4f4ff4a5a756

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJkfbcbJnpJUE7PRivDTUt45Mni8KHeRADD4b1ex9tNo+NgC4WWF4LyvGZx7RXPGrFREK1fjHm8UO3Tgz2uncAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:36:25Z
batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof
root 40fdb380c9f41bd58bb35c455dde2c7d...

Independent retrieval

2026-09-15T20:40:05.972223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003473
observed 480175f962f98205771ee99fb0316dfa...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:05.818526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003473/manifest.json
observed 72f089ee1b59e0b4577b14e7f15a705c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:05.802513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003473/publication.txt
observed f90194846bd73d924f68cd46703d9c0b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent