OpenTechnical

OT-2026-000029154

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000029154) never changes.

Identity and time

Publication numberOT-2026-000029154 · never reused
Internal UUID01a0ae73-2aa0-7af3-9064-2634faa8cca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029154
StatusPUBLIC

Content hashes

Canonical text85bc02346b0e1a32ec4dfcb83eac840f380c77eac87e8e5aebd6339ad3678c1e
Markdown954512e472690efcb61fc77c5daa44a2fbdab1215434f51906d1672c15bbacd0
PDF
Publication pageece2cabae2de4cd06bd46827e372f64fe5497751ee8235079749b0c42b9f3c80
Manifest19526b144448a13d312a80627bcfa5ed34eeb41b0c786add6b66e48c7d76cbb8

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
SignatureaEpb1Teo1Achvc5eoxWnoUJgXfyNcHvif+fJE01E3HvrUkuPNfADAdwZDppyKkQzUz6fzuCEc4lS3qVRcHpnDw==
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

2026-09-17T11:39:38.738327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029154
observed ece2cabae2de4cd06bd46827e372f64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.720503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029154/manifest.json
observed 19526b144448a13d312a80627bcfa5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.701765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029154/publication.md
observed 954512e472690efcb61fc77c5daa44a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.683143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029154/publication.txt
observed 85bc02346b0e1a32ec4dfcb83eac840f...
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.