OpenTechnical

OT-2026-000012049

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000012049) never changes.

Identity and time

Publication numberOT-2026-000012049 · never reused
Internal UUID01a0ae6d-1943-7716-a83c-528d53f40ba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012049
StatusPUBLIC

Content hashes

Canonical text864267364f74eb88ef3c744cf3e0c19e2d6fc54c5f1ea46d4b43e5b7e0ab5058
Markdownb4147720e5de337d506d5995ba5cf4f6396b5c04b067b390c2c92ad07f270559
PDF
Publication page30456b650a8c363ca6af6e1de3e5cd204d26298e03554a22f703f40d53605b2d
Manifest640b53712e55ad2d9e61823617b5fac511d597f57f3c6781b6955544ba15e86c

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
SignatureJIUPFEMcdbqkr9x99KhMhTeCiOFJdVBjUqRfaq5jYNLSK/fY1nhMt8qW7lLDTit8oeQSjmUk/93+yRz/RxtLAw==
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

2026-09-17T12:12:55.619319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012049
observed 30456b650a8c363ca6af6e1de3e5cd20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.599722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012049/manifest.json
observed 640b53712e55ad2d9e61823617b5fac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.578930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012049/publication.md
observed b4147720e5de337d506d5995ba5cf4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.558904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012049/publication.txt
observed 864267364f74eb88ef3c744cf3e0c19e...
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.