OpenTechnical

OT-2026-000012605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000012605) never changes.

Identity and time

Publication numberOT-2026-000012605 · never reused
Internal UUID01a0ae6d-5561-7bf6-8d49-c44db5eee73b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012605
StatusPUBLIC

Content hashes

Canonical text64cfe80871d555d4e8cf277dae7e7d4a99919547015bb280fb87aba90a027a9b
Markdown7c6efb3e77c542268b9b130a61e52fc2abbd881f0ba10f0e6f2fd3f7453393c7
PDF
Publication page80ce2b36e857999075bf779a5ac48166fe055a7a908729cc1687df183088159e
Manifestbb2297b7849fee5573ebcdf4cb468def8edf4b7ed1362e1afe652511189ef9e5

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
SignatureWHTsawGcAB2yR1EILk2Q41du3y8S3TJHPRaj1pBqDIvqlhPAC9H5LSCaDe8AGLNXLmZ6vDP4VJJv7ze/pHWDDw==
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

2026-09-17T12:10:11.971680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012605
observed 80ce2b36e857999075bf779a5ac48166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.951785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012605/manifest.json
observed bb2297b7849fee5573ebcdf4cb468def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.930901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012605/publication.md
observed 7c6efb3e77c542268b9b130a61e52fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.913388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012605/publication.txt
observed 64cfe80871d555d4e8cf277dae7e7d4a...
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.