OpenTechnical

OT-2026-000041283

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000041283) never changes.

Identity and time

Publication numberOT-2026-000041283 · never reused
Internal UUID01a0ae79-b144-7767-b614-c48a68eb9e66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041283
StatusPUBLIC

Content hashes

Canonical texte7ca87855bce5977241fcee893c2df23768a47fbeaff92ab4e03ba2f0bad6d32
Markdown34f3048865904f25af0b020da404972b3f6bef9f1ceeb2765f4cfd0363126c28
PDF
Publication page704dce72c5a61c465cf567d8a1ba9e40d7bf086c39e84bbf77487c9b359a0698
Manifest661123a2649a7c71cf99605b5d7cdacd6111be7ef0ad207a6269d912b8e6d03f

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
SignatureLTOlK80YBnf1AqcFZjZmuzvaxUCAsuabZ/d+h7qE9pfFDGTyWPDfW8/rkMUHpgL13qFDJBE91PfItJfdAj6FDQ==
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

2026-09-17T11:17:15.704226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041283
observed 704dce72c5a61c465cf567d8a1ba9e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.685631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041283/manifest.json
observed 661123a2649a7c71cf99605b5d7cdacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.667008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041283/publication.md
observed 34f3048865904f25af0b020da404972b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.651150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041283/publication.txt
observed e7ca87855bce5977241fcee893c2df23...
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.