OpenTechnical

OT-2026-000036507

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000036507) never changes.

Identity and time

Publication numberOT-2026-000036507 · never reused
Internal UUID01a0ae77-46e6-7078-9d12-02f44e305d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036507
StatusPUBLIC

Content hashes

Canonical text9a0e24437c3596dac6a3bb6b44a1690eca186f96ccff2dba709706e59fc3d6af
Markdowna7a6594b88f768ca440c57ab5ab634c07e2a6b744dd61440a32ca87a26b16cec
PDF
Publication page7fc3f26a4221c854da58772e754c07f9cc637fb06b5092a21aac38bc09e9e320
Manifest63228db51f250eaadaf1cfa2e1f54b2631729e43e74c43c3685d541991d71c0d

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
SignatureOUDXOz5yUrjILUpPyBhO/xD2d7M+SbQl43cxgp3MxjPEpI/5q2x+gn7lxiwFDDoM45U/v5WqNCRR2lQvJ9beAQ==
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

2026-09-17T11:25:12.089826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036507
observed 7fc3f26a4221c854da58772e754c07f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:12.073198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036507/manifest.json
observed 63228db51f250eaadaf1cfa2e1f54b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:12.056731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036507/publication.md
observed a7a6594b88f768ca440c57ab5ab634c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:12.039936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036507/publication.txt
observed 9a0e24437c3596dac6a3bb6b44a1690e...
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.