OpenTechnical

OT-2026-000012719

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000012719) never changes.

Identity and time

Publication numberOT-2026-000012719 · never reused
Internal UUID01a0ae6d-5562-70f7-97f4-d2f742b1fa89 · 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-2026-000012719
StatusPUBLIC

Content hashes

Canonical textc982697c2bd8bcb33068b355bb2853e8eabf10e8cd125d0ebb231c8d50e21427
Markdowncb69510934d9279fae262b1b3772df1744310ba6cebfce220c213dc9b8dbc8d2
PDF
Publication page1360b092288908d0ae1815606bd84d899384c51ad62229457d2ddf9c649c12f2
Manifestd35ec79676a47e535b41091ffc1dac2276fd5225077abe4be123c8df0c99a27d

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
Signature4qYRBrgLiaq0bMKaJTTp+QsaE5fmezcMObqruZ8GD+5uFw6OAdRfDJMcpAF/2rFTQZ31kOo7Wu7q/pPbED01DQ==
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

2026-09-17T12:10:23.065472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012719
observed 1360b092288908d0ae1815606bd84d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.045368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012719/manifest.json
observed d35ec79676a47e535b41091ffc1dac22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.026778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012719/publication.md
observed cb69510934d9279fae262b1b3772df17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.007878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012719/publication.txt
observed c982697c2bd8bcb33068b355bb2853e8...
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.