OpenTechnical

OT-2026-000087973

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087973) never changes.

Identity and time

Publication numberOT-2026-000087973 · never reused
Internal UUID01a0ae9b-1aa6-793b-ac1a-5236013ddb49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087973
StatusPUBLIC

Content hashes

Canonical texta31be9eadc22cefc0bc424c813770d81b3ebdbd39c841f0e932f1bb7d2986db2
Markdownaa3ffc44e9614f9aeda704f8bbd68bd746fe39f8d0f4577f3bf001a80db44cda
PDF
Publication page3e93ad807925e449f5d90d86bb263edb11fe6ec671ebf8d01a4f25fba0b88ef9
Manifest6d68817dc5381167c41d6aa22ef6e1673cccfdf710d6bc0b88d9061e300052e6

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
SignaturezjzSKPqj9u5KAnwBHQTHaKVSBevncYklBSIfbHhQjKw1o9JBkbwoJCyOhpNCFJ+DE3Hpy3XGLK1FktUsaoesCg==
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

2026-09-17T09:49:15.551183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087973
observed 3e93ad807925e449f5d90d86bb263edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.534637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087973/manifest.json
observed 6d68817dc5381167c41d6aa22ef6e167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.517198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087973/publication.md
observed aa3ffc44e9614f9aeda704f8bbd68bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.500541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087973/publication.txt
observed a31be9eadc22cefc0bc424c813770d81...
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.