OpenTechnical

OT-2026-000064631

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000064631) never changes.

Identity and time

Publication numberOT-2026-000064631 · never reused
Internal UUID01a0ae8d-deb8-76f1-8849-a04c234978c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064631
StatusPUBLIC

Content hashes

Canonical textcb3a27305f49904f6991a6b2d9bdf9e960d03f986ee08f87b2918729e274158c
Markdown4ee0db1b26dc046739fce98256fc60c9c93380a1715254d4787daefa1c7983b6
PDF
Publication page170316d83380bb65444268e4d30179ba54ec0b61bbb65ccef4c2d55bbb526bf8
Manifest495df2b1236d13689d7c54edd45399d10af3b69cce7c23a695e910e7672e1eb6

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
SignatureLXTig1xvHCOa7C91bZNrQm+aPppux/btsreWNrflSLc8kIRdcJctcm193Gj0xTcCutD4nYBWgt49YPiyyurBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:24.766949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064631
observed 170316d83380bb65444268e4d30179ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.748203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064631/manifest.json
observed 495df2b1236d13689d7c54edd45399d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.730056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064631/publication.md
observed 4ee0db1b26dc046739fce98256fc60c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.711866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064631/publication.txt
observed cb3a27305f49904f6991a6b2d9bdf9e9...
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.