OpenTechnical

OT-2026-000029118

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000029118) never changes.

Identity and time

Publication numberOT-2026-000029118 · never reused
Internal UUID01a0ae73-2aa0-7e11-8e1d-1fa876725681 · 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-2026-000029118
StatusPUBLIC

Content hashes

Canonical textf2e1151cb387675a74750e647b98dad08da9fd5ee204b3f6dd20014188f9b4ea
Markdowncfcc3f00c9ace54ce0ea567232bd0452c15c66deecb824689ab0080cdd8d7e69
PDF
Publication page953e76305955e0acb0ae44b3f536acff732a81ccaac0fdd9d232610f2e4ebb0b
Manifest36e479622bef25380405aee4e87a50c4ea8ea38bb0f4ddacd4e07a2e964dd118

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
SignatureVN8IfW/GEg42azXeD43DMBx/1JxXqJxGtTVihHGpri5tPOmX5tyRwu3FhkJ4qvE0/6anFaeQrZDuVsgbM83lCg==
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

2026-09-17T11:39:36.100827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029118
observed 953e76305955e0acb0ae44b3f536acff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.082653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029118/manifest.json
observed 36e479622bef25380405aee4e87a50c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.064040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029118/publication.md
observed cfcc3f00c9ace54ce0ea567232bd0452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.036659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029118/publication.txt
observed f2e1151cb387675a74750e647b98dad0...
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.