OpenTechnical

OT-2026-000012699

Publication integrity record

Four bellows cup 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-2026-000012699) never changes.

Identity and time

Publication numberOT-2026-000012699 · never reused
Internal UUID01a0ae6d-5562-741c-9488-e1a0d96a6cb0 · 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-2026-000012699
StatusPUBLIC

Content hashes

Canonical text92fe1bb4945fccb58a6165e622e2ff03e171c564e0edc4ae9ad93728113deffe
Markdown768afee357a606da40d8453996facd89b127e0542057be32587c88477d0cdc4f
PDF
Publication page00bbb7a2486fb8da079ae004b60fecee03ad50ccb4473077636e0d0301ea107a
Manifest345133dfeed2f46f0bece914d866a4cdf389d56ed2365872a75e0eea09bfb95e

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
Signaturek/HA1D+nVhXdnM49i5n1fIS5uMgRG9gdhmNS+D77bGFkSbZcViBtcqjRejFjtK6BsveiU44gUd06hpIc507HAg==
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

2026-09-17T12:10:21.288615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012699
observed 00bbb7a2486fb8da079ae004b60fecee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.266123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012699/manifest.json
observed 345133dfeed2f46f0bece914d866a4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.246713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012699/publication.md
observed 768afee357a606da40d8453996facd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.218878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012699/publication.txt
observed 92fe1bb4945fccb58a6165e622e2ff03...
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.