OpenTechnical

OT-2026-000071132

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented before set-down, on a tool changer

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-2026-000071132) never changes.

Identity and time

Publication numberOT-2026-000071132 · never reused
Internal UUID01a0ae91-e0eb-7eb0-a47e-2b9ac7b092b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071132
StatusPUBLIC

Content hashes

Canonical text331537ba5e16f61a6a5f112af473647c2b63efa5da5bd6f70b205b19fa1f99dd
Markdown8b5cc6dcf57ce12d3575b67984c482f888763c71e60a9cd61fbd3df4ff9f4bd1
PDF
Publication page8a7d6e964d035a1c9aa6c00f784bdd55d6ecfbb579ba82b4477a52b9579e9276
Manifestf8ca47b8b17d5dc41f01c6bcabd32432fbf41c2893efdca22350d350e7b7fafe

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
SignatureuYdCqhZnTo/zwulO1wETRiTQPBGReqy57L27BvsyOSEdo6ldGu0WgTWWEY7u46VW7DK5BPF3hMtJVMv7wPNfDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:37.811107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071132
observed 8a7d6e964d035a1c9aa6c00f784bdd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.791486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071132/manifest.json
observed f8ca47b8b17d5dc41f01c6bcabd32432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.770657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071132/publication.md
observed 8b5cc6dcf57ce12d3575b67984c482f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.750160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071132/publication.txt
observed 331537ba5e16f61a6a5f112af473647c...
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.