OpenTechnical

OT-2026-000010903

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000010903) never changes.

Identity and time

Publication numberOT-2026-000010903 · never reused
Internal UUID01a0ae6c-540d-7d9f-953b-7e6bd006f60e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010903
StatusPUBLIC

Content hashes

Canonical texta05ccf05d8e433793d52f33f8956f189ae64f9cfeba59ace6ef2aae83d41578e
Markdown41fc58a24062b590c5bd76c3496970469dc1230086142689c0d85a48b1d55879
PDF
Publication page87f7b8055d5bea5fa80ce1e9e21544db2ebd5993e1e81274134478ce9a8b75a2
Manifest100f8b7c54223d295d51aeac18c6eb4124a33366c55420e684ee82c2edd63e25

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
SignatureXckSIB5qcZp19outSHAFmmcqob8xm0oLxxh1gAbeaEdzVaovbZLxg0yRtUdv2eRB4ej8+luCxHL5LKZYCK2kAA==
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

2026-09-17T12:13:40.547795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010903
observed 87f7b8055d5bea5fa80ce1e9e21544db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.528938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010903/manifest.json
observed 100f8b7c54223d295d51aeac18c6eb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.509712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010903/publication.md
observed 41fc58a24062b590c5bd76c349697046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.490888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010903/publication.txt
observed a05ccf05d8e433793d52f33f8956f189...
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.