OpenTechnical

OT-2026-000086298

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000086298) never changes.

Identity and time

Publication numberOT-2026-000086298 · never reused
Internal UUID01a0ae9a-2c95-7a70-803f-816e89fb01bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086298
StatusPUBLIC

Content hashes

Canonical text2a2aa4a71d3450bae6e7f145d88f637ec8eeb971448c62af71bbe071025852ac
Markdowna130822765f6b689978b47619d31fee5179f94f3e65066797a2b1676d93b4090
PDF
Publication page3e97fe6736dba3d6da45d4432e6cc9d9be3f789b26687773cf43845f733be26f
Manifesta2dfeea9bfdbfc7b5908097ab75d061fe41479c6cf6459457542e9703ca81d90

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
SignatureJ/0Hnjd9oJCQwDbpHT6G4PPx/PugUXJfJdWi0CUTD0NrHzwPKpXXCVtSvRK+ptRv+i/rMqz8wHqtSIFY1w8mCQ==
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

2026-09-17T09:51:58.609042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086298
observed 3e97fe6736dba3d6da45d4432e6cc9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.591522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086298/manifest.json
observed a2dfeea9bfdbfc7b5908097ab75d061f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.574783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086298/publication.md
observed a130822765f6b689978b47619d31fee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.556776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086298/publication.txt
observed 2a2aa4a71d3450bae6e7f145d88f637e...
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.