OpenTechnical

OT-2026-000029690

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000029690) never changes.

Identity and time

Publication numberOT-2026-000029690 · never reused
Internal UUID01a0ae73-5e23-7eef-a295-fe098bff878a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029690
StatusPUBLIC

Content hashes

Canonical text665cd14563ce4d0600e73dfa166b9e182fdf8b9cb44439f3af9059f883f4256e
Markdownbc4f60561a4b7bbcb20f1838030b3388190100500ee1de28003511fa2954b0d5
PDF
Publication page7f005652c10c97e9bcdcc07527886dab646fd8617bd5d09ccc648cb34a6fc115
Manifest90abe253e463f899a30c29b6a368dd9c96370bb05fa3c6e6accd34465d0aca13

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
SignaturelYfugaor7hlmSpbd6ZifaBHMZMpymOs8G8TUCfIo7bUSrNLprIpSmTiC9ymM+Z8w2Qy+GRomBqtJxHx7TJ5mCg==
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

2026-09-17T11:39:24.942024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029690
observed 7f005652c10c97e9bcdcc07527886dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.925835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029690/manifest.json
observed 90abe253e463f899a30c29b6a368dd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.909328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029690/publication.md
observed bc4f60561a4b7bbcb20f1838030b3388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.892726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029690/publication.txt
observed 665cd14563ce4d0600e73dfa166b9e18...
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.