OpenTechnical

OT-2026-000083958

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000083958) never changes.

Identity and time

Publication numberOT-2026-000083958 · never reused
Internal UUID01a0ae98-0419-7f1d-bf69-fe648347e279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083958
StatusPUBLIC

Content hashes

Canonical text9d3bc99459791cb4c238396779d3d8c241112e972bb29b6d5621d6def7da1386
Markdown2e7406a7cf81f177a388c3c9826cc9c66eabc795ff1046c034b761ff363d50ec
PDF
Publication page7ce862dd73f76eff6d9b33389ff4b60695501c7ff7cad3278d358fcd353dfe83
Manifest28c9594604d4791ddc80e74a8f3f2fdc903b90340f15bf4fb55638c7cc9ccc79

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
SignaturePpfGLiIswJ8f84Xx9tGORVHu5Rzc/1/DmB5u8Wozx3gqfn1mE/WV3CUQQuOhOKTDVQJiHAx/ll0MjsxOO4DEDw==
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

2026-09-17T10:00:28.451296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958
observed 7ce862dd73f76eff6d9b33389ff4b606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.432712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958/manifest.json
observed 28c9594604d4791ddc80e74a8f3f2fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.416407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958/publication.md
observed 2e7406a7cf81f177a388c3c9826cc9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.396779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958/publication.txt
observed 9d3bc99459791cb4c238396779d3d8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.550488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958
observed 7ce862dd73f76eff6d9b33389ff4b606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.534199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958/manifest.json
observed 28c9594604d4791ddc80e74a8f3f2fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.518337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958/publication.md
observed 2e7406a7cf81f177a388c3c9826cc9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.502030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083958/publication.txt
observed 9d3bc99459791cb4c238396779d3d8c2...
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.