OpenTechnical

OT-2026-000045129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000045129) never changes.

Identity and time

Publication numberOT-2026-000045129 · never reused
Internal UUID01a0ae7c-f768-7b09-bb71-e1c26292b843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045129
StatusPUBLIC

Content hashes

Canonical text588ef01b21a563c7cc1cfaba310a6d8131b60213110b1ea065c9573bd1d5a2ed
Markdownc83789cbdd34117102bc1e5a049837ac499ffce98f682825d19bcdff86599cf4
PDF
Publication page12008dbb847133e8a6eb1ebc0f352041a18d423eb0c1f5afc06cd1644d12c08f
Manifest62d581d8168e7ab2e309f3e4b1ec0008d64c81aa3e4f09ca2938c77a3ebd6dd0

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
SignatureAk8trpt3BH7jGzXneZ6nY/1/F9oE9nG3nWbHnwTadA71eHcfwgnTB12LoexHjgzwvnfqF8SlWMZgT0NwHWYJDg==
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

2026-09-17T11:10:16.651283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045129
observed 12008dbb847133e8a6eb1ebc0f352041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.632761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045129/manifest.json
observed 62d581d8168e7ab2e309f3e4b1ec0008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.583536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045129/publication.md
observed c83789cbdd34117102bc1e5a049837ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.533241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045129/publication.txt
observed 588ef01b21a563c7cc1cfaba310a6d81...
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.