OpenTechnical

OT-2026-000035679

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000035679) never changes.

Identity and time

Publication numberOT-2026-000035679 · never reused
Internal UUID01a0ae76-b4c7-7f34-a51c-56edfef6ea8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035679
StatusPUBLIC

Content hashes

Canonical text8bbf9e6ee2626e4c1ba5b7d0d8a8eee425dd160081ddc6781374b4fb8291996f
Markdown29deacb05972517b4dca3b273db30998463aa17bc7b1b1b5a3fcee5f72fd81b9
PDF
Publication page3747423d872f72129350d0180a9ccff18b31ee7843dd9c245b9bb3c5d63d041c
Manifest323a142db11954d6773094b4ac53d07f57e5aa8c78ca2ed2da5299f50fe38523

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
SignatureuRik4TS3gf/nCVGuD99U8eekM7BKNbx5jiY6aPnwt7l17/1IJUh9iQqn+78uEZF0I0xk79PPmv05TJaXXI0bAw==
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

2026-09-17T11:27:15.093548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035679
observed 3747423d872f72129350d0180a9ccff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.077044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035679/manifest.json
observed 323a142db11954d6773094b4ac53d07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.057625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035679/publication.md
observed 29deacb05972517b4dca3b273db30998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.039041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035679/publication.txt
observed 8bbf9e6ee2626e4c1ba5b7d0d8a8eee4...
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.