OpenTechnical

OT-2026-000034891

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000034891) never changes.

Identity and time

Publication numberOT-2026-000034891 · never reused
Internal UUID01a0ae76-1ed3-7647-91f1-d393c64f8077 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034891
StatusPUBLIC

Content hashes

Canonical text58857bdd2f2cb1cea6344566d5e3f5b5223d7b3a2169d27f4eb568c1f61d0415
Markdown04bc605f50fd627946f120ae1b14aae84a77b34d6e0f49bc6d23a1c5aeceba8f
PDF
Publication pagefabb24a7ca45d25d7041d01d407cf066ef48a29bbc4d1159e55fdc9128bfed43
Manifest534505b566a65b324ff7db60e9b165a741e338cd0be71f43f1f65f93b5d0fa9b

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
SignatureFFAzhoZng6nggWpInkHVm5DEjD1QSqnsPkma/PHa4Bs9F7rBV2NjHsBH+/SxQFvayFe+ERRH9/frcvNeL57zAQ==
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

2026-09-17T11:30:32.965412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891
observed fabb24a7ca45d25d7041d01d407cf066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.949568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891/manifest.json
observed 534505b566a65b324ff7db60e9b165a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.933141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891/publication.md
observed 04bc605f50fd627946f120ae1b14aae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.913369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891/publication.txt
observed 58857bdd2f2cb1cea6344566d5e3f5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.825105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891
observed fabb24a7ca45d25d7041d01d407cf066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.807339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891/manifest.json
observed 534505b566a65b324ff7db60e9b165a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.789845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891/publication.md
observed 04bc605f50fd627946f120ae1b14aae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.772505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034891/publication.txt
observed 58857bdd2f2cb1cea6344566d5e3f5b5...
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.