OpenTechnical

OT-2026-000034573

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034573) never changes.

Identity and time

Publication numberOT-2026-000034573 · never reused
Internal UUID01a0ae76-1ed0-701e-8fb8-62371099e3c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034573
StatusPUBLIC

Content hashes

Canonical text5066bcb8b68d8a2d2165c207add09e8b93425bf8dbcb2294de1ced1e93475bc6
Markdownc8ecf49f5945bdddd88945e78b2791a357df549bcd90a5562951751529595d97
PDF
Publication page1a3a606be4dfb9387ea0af438982de22fb7e8d7ee912ad7f5d9ae92e05e8d50b
Manifest6d225dfabb5a4dd45ba38417247b935d4f751c0e16d02e7469b486f79daa7dfe

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
SignatureosRMFADCx7lVzE041vbVMt1cd7PCF07wHUMOdoS+GMRGgjvaD1vm5/p2+Jpev9gINBVNniyolklNRy8c5es6AA==
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

2026-09-17T11:28:56.500675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034573
observed 1a3a606be4dfb9387ea0af438982de22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.480295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034573/manifest.json
observed 6d225dfabb5a4dd45ba38417247b935d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.461543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034573/publication.md
observed c8ecf49f5945bdddd88945e78b2791a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.435529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034573/publication.txt
observed 5066bcb8b68d8a2d2165c207add09e8b...
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.