OpenTechnical

OT-2026-000008045

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000008045) never changes.

Identity and time

Publication numberOT-2026-000008045 · never reused
Internal UUID01a0ae6a-908b-7994-95c6-238f77a1960d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008045
StatusPUBLIC

Content hashes

Canonical text618662c74c897a016113fd7a1339ab85987f7ad29e08c68a614cd76a68b8b3fb
Markdown53dd8ef1143d219de00edcad9a5f9e345f6e51862433e87b0e9186ef50e5ddb1
PDF
Publication page895e6ab8c4650ade1ffbec51f905f72e6bef2dd7ac54cbac60757dad1f297184
Manifestcccb1b44b456a7860bfe8d72ae85ef226741ebbf83422eeb9b64c96fe0a944f7

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
Signature3dzdp5QJgPc8jCvaB134tNxnkBMKzwjecQ1HKPJxPx7BLl7VjBUByZVF77imt3vlKjFQDczuEO18VqyTtk1PAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:38.213672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045
observed 895e6ab8c4650ade1ffbec51f905f72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.193878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045/manifest.json
observed cccb1b44b456a7860bfe8d72ae85ef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.175767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045/publication.md
observed 53dd8ef1143d219de00edcad9a5f9e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.156957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045/publication.txt
observed 618662c74c897a016113fd7a1339ab85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.144515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045
observed 895e6ab8c4650ade1ffbec51f905f72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.125148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045/manifest.json
observed cccb1b44b456a7860bfe8d72ae85ef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.101884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045/publication.md
observed 53dd8ef1143d219de00edcad9a5f9e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.085533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008045/publication.txt
observed 618662c74c897a016113fd7a1339ab85...
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.