OpenTechnical

OT-2026-000061269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061269) never changes.

Identity and time

Publication numberOT-2026-000061269 · never reused
Internal UUID01a0ae8b-1383-76b3-bd31-1d11d8b6d9ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061269
StatusPUBLIC

Content hashes

Canonical text2959e586bdadfd8dd5d41202e42f8377b1cc2ccb456fa57390520a1aeea166f2
Markdown5e366334526eb1dafc5765d1984f968d769a81b8864b48dffeef508be10ba83f
PDF
Publication page817b536d4afe345789cdca2043090ac18c0c5e7d2b116ed7a32f3112e6a7f169
Manifestc07d361e1b9bb7c5a94b282117149498b1dd026e91ec0c8bbf046efce68199fe

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
SignatureLvb1IS4BSpsHA0J9oay71VyV6QHxxYuNB/LRj8aWiyGMV497UUdAkw2lcXToJw4wRnirSVaFy8rl+Gm1dCTUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:41.360841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061269
observed 817b536d4afe345789cdca2043090ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.341620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061269/manifest.json
observed c07d361e1b9bb7c5a94b282117149498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.322688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061269/publication.md
observed 5e366334526eb1dafc5765d1984f968d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.304334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061269/publication.txt
observed 2959e586bdadfd8dd5d41202e42f8377...
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.