OpenTechnical

OT-2026-000022270

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022270) never changes.

Identity and time

Publication numberOT-2026-000022270 · never reused
Internal UUID01a0ae6f-f4fc-7405-87b4-7b4cc209d7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022270
StatusPUBLIC

Content hashes

Canonical texte81669ef769b57b52160d9b5c3e31484cbb47d9c37e8337656e78529df8eef07
Markdown55c72a9f5a51c3e30a82a2911e4b040e1a7184bfba49080b1e36306852ab12f8
PDF
Publication page1062e89d1cf5167023136e3992a1392c11b8600ca4271caa62c8bf4f85a67826
Manifestfa8e2d6e2c9e5895d134fe5a69afa1f363dc0292a9c5a16c22d75a95e2e61ddb

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
SignatureJA3tgaEiGOdtoNUxWlo96QvKc402lkBZqsFF/cnSUwECcUH+Hi5I3KDp93WRrZi3o1i2gIzK8Fl5ctHiuR1VBQ==
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

2026-09-17T11:53:04.132748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022270
observed 1062e89d1cf5167023136e3992a1392c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.115966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022270/manifest.json
observed fa8e2d6e2c9e5895d134fe5a69afa1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.098760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022270/publication.md
observed 55c72a9f5a51c3e30a82a2911e4b040e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.081430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022270/publication.txt
observed e81669ef769b57b52160d9b5c3e31484...
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.