OpenTechnical

OT-2026-000013554

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000013554) never changes.

Identity and time

Publication numberOT-2026-000013554 · never reused
Internal UUID01a0ae6d-6fcb-7122-89d3-c251a0b3fd92 · 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-2026-000013554
StatusPUBLIC

Content hashes

Canonical texta2957e1e34d3c507204716ac7a61578dd561e84d292f962e469ea3904a17622f
Markdown8c7ca5963e3a4ab6e3140d84c57f16c94e56656dd4ccb620983a2507a699239c
PDF
Publication page7b162abdcd3866f0f0125e77a571f0ced978a8f69a4ac9f5130531cb410dbad5
Manifestfd3003b435de7ab29875682f2ea769bb400d6b0276943280f468a708eeedaeda

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
SignatureL1pG137mGXT0lVkb2fvoci/HcjjmRfDU9X+sbkVC3vb57cUJPi1Dc6YIuy+DwUSY9lGdwiGCmyexWPXVXddTDA==
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

2026-09-17T12:10:05.930488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013554
observed 7b162abdcd3866f0f0125e77a571f0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.910955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013554/manifest.json
observed fd3003b435de7ab29875682f2ea769bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.890231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013554/publication.md
observed 8c7ca5963e3a4ab6e3140d84c57f16c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.870602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013554/publication.txt
observed a2957e1e34d3c507204716ac7a61578d...
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.