OpenTechnical

OT-2026-000013263

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000013263) never changes.

Identity and time

Publication numberOT-2026-000013263 · never reused
Internal UUID01a0ae6d-6fc9-7b7b-96e6-eac901742b7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013263
StatusPUBLIC

Content hashes

Canonical text5dc8d3c1c960fb4071427b17970249710e4709c7a6c514989496dd0ba92db8e4
Markdownd946712bc48e87f0be310a7f92086d50e93d92305a8a170b36fe7f7cb1748b39
PDF
Publication page78fd4b7ec087b2b12816402b287172e2fe436e829e1815749a1a9fe2cad8e2a0
Manifest8992b4b9e79dec770d6e5b20c85b4ec59e8e5107942ac56edc147300835bc756

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
SignatureRUa1pNM9LdK5lfLEdH4sDw+OfpPzD872iGOmwXteVL4HgI7GBkj/VG79VdVOT7BWxVDuVqWUFKi542esWCB7AQ==
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

2026-09-17T12:09:40.357158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013263
observed 78fd4b7ec087b2b12816402b287172e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.337472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013263/manifest.json
observed 8992b4b9e79dec770d6e5b20c85b4ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.318281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013263/publication.md
observed d946712bc48e87f0be310a7f92086d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.298149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013263/publication.txt
observed 5dc8d3c1c960fb4071427b1797024971...
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.