OpenTechnical

OT-2026-000013603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down

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-2026-000013603) never changes.

Identity and time

Publication numberOT-2026-000013603 · never reused
Internal UUID01a0ae6d-6fcb-757d-879d-fac92d829413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013603
StatusPUBLIC

Content hashes

Canonical text0ee18885cd0a6f999d7827ae5f2bce48553522e00dba4a41990ea10c08198aaa
Markdown108f6cbe1fdab4b5615391108ca677f15f411a3124b776e9cf3ff6c76dd6319c
PDF
Publication pagef18aa66a7568de8b55468873540f3a095995999ad66882626360d9ebed88be8d
Manifestab980d39c5031c19d4468a7a0671e2e695cee1103b855bfa5489f0f3bd97e696

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
SignatureZHGwxGvTYgezKYgVN6bOrkMGiZU9O85w9H5m7vOEr62INaTq93mLzoLlQ0hJ7PShLoHO0tRjahCNEmE/9SI1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:09.576656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013603
observed f18aa66a7568de8b55468873540f3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.557862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013603/manifest.json
observed ab980d39c5031c19d4468a7a0671e2e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.539392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013603/publication.md
observed 108f6cbe1fdab4b5615391108ca677f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.518759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013603/publication.txt
observed 0ee18885cd0a6f999d7827ae5f2bce48...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.