OpenTechnical

OT-2026-000048538

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048538) never changes.

Identity and time

Publication numberOT-2026-000048538 · never reused
Internal UUID01a0ae80-4de6-70bf-b5e5-72aef875b463 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048538
StatusPUBLIC

Content hashes

Canonical text1ea7b01177157850b17668ec037392b95edbd9c4098355337824d87d4d7f4fa2
Markdown17275607145ba473c8ab53108bbc8f58ac31f5b37cf31c545b19c1093b3615c4
PDF
Publication paged0be291334de79bd61cc56c0ed4437333dcf84874c744e8cdfe29494b4925393
Manifest0cdf1e42a6f7b63794af4312189f3895bcad7cabbcd2350cac49983ccd019b51

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
SignaturekhgNa1VigyS1anl7Ys2Sx5tLY8KhQFNMt/sMd6WVLKCW36g2AQrpe/eHyPqT9symDyYvXDX73dbTtWfWBbVIBQ==
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

2026-09-17T11:05:19.737560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048538
observed d0be291334de79bd61cc56c0ed443733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.718293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048538/manifest.json
observed 0cdf1e42a6f7b63794af4312189f3895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.699080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048538/publication.md
observed 17275607145ba473c8ab53108bbc8f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.680736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048538/publication.txt
observed 1ea7b01177157850b17668ec037392b9...
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.