OpenTechnical

OT-2026-000076861

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000076861) never changes.

Identity and time

Publication numberOT-2026-000076861 · never reused
Internal UUID01a0ae94-b070-73b9-81c7-6d0208cf83d1 · 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-2026-000076861
StatusPUBLIC

Content hashes

Canonical text4dc1ad3f8a477d1caf556b62bb84dbbc3723bfbc682f8c6eec77d0eb2a142e99
Markdown0a3745e87292e335b8c4678e18ed582d39d6816c95899ea6957ffdd079ef6dfc
PDF
Publication page86c2bd4685f16036838e076b4c04b0502067a674a8a418be3fc41bb36eb1b1d5
Manifest6fc40b06d27d161de52607e1319b6c54a6cf2a70a4930843806a8a9f1fba954b

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
SignatureZ1qS5RlhaRDU2jzHbq1zpljRTiKFcXZLdFz6vZlIXOwnYtn9Eii9N5qXRd8TPLd/pXV2CKskkISdZ3FIT1u7BA==
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

2026-09-17T10:09:45.178422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076861
observed 86c2bd4685f16036838e076b4c04b050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.160962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076861/manifest.json
observed 6fc40b06d27d161de52607e1319b6c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.143418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076861/publication.md
observed 0a3745e87292e335b8c4678e18ed582d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.124893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076861/publication.txt
observed 4dc1ad3f8a477d1caf556b62bb84dbbc...
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.