OpenTechnical

OT-2026-000049839

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000049839) never changes.

Identity and time

Publication numberOT-2026-000049839 · never reused
Internal UUID01a0ae81-8ff0-730a-8bd3-5957c281903f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049839
StatusPUBLIC

Content hashes

Canonical text5dcd7c994da062696191168e7f6ed6a5c0efca5a925f198b4bc3438d33686921
Markdown49e8d6a06f83821c091f397b242665fd20ef696de0e24ead79fd20d7612deece
PDF
Publication paged16f5348b80f556e16b31a95bbbd095ec755efcad68de7edbe87e7fb47a09468
Manifestfb7b8902be92607b6c8d6bf294935fb1429aa4274241d1f3e5bd6b936e8d831e

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
SignatureMRrlxSM1D/d9EHCoxxurwSwrWgRhVzwDbwkvvGpEbs+kUxVeuZ/9b86v75/qKXZnaSxZeRRH4eZU1b1XhbNkBg==
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

2026-09-17T11:02:58.673366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049839
observed d16f5348b80f556e16b31a95bbbd095e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.656552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049839/manifest.json
observed fb7b8902be92607b6c8d6bf294935fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.637373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049839/publication.md
observed 49e8d6a06f83821c091f397b242665fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.619407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049839/publication.txt
observed 5dcd7c994da062696191168e7f6ed6a5...
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.