OpenTechnical

OT-2026-000076907

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000076907) never changes.

Identity and time

Publication numberOT-2026-000076907 · never reused
Internal UUID01a0ae94-b070-797b-b791-e10e29254eb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076907
StatusPUBLIC

Content hashes

Canonical texta0130af430af2876436e192cbadd4565f09610318c5a55589f22f77e1d55d731
Markdown794a7594d8f4c69f2123de85dadecef6f8952335897caa85d26fe2fe15c89657
PDF
Publication pagefd1a46fba13f76ea358464c0f243afaf8aa51e98bfa10d6c3e9834ae67fdc204
Manifest488f8dd1bb29ab8315c487246a4836172fc8401fcda1d97269e2c12fa4a50672

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
SignatureDvl68fHfnktxiAf35WUy76yI7KczPKYWtfoEfYY/MF3MIUPxiJaeRy/n+DznL8Q/pdKjaFRSdHqLBPgRlQ4ZBg==
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

2026-09-17T10:09:49.239589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076907
observed fd1a46fba13f76ea358464c0f243afaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:49.221292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076907/manifest.json
observed 488f8dd1bb29ab8315c487246a483617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:49.202430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076907/publication.md
observed 794a7594d8f4c69f2123de85dadecef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:49.068410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076907/publication.txt
observed a0130af430af2876436e192cbadd4565...
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.