OpenTechnical

OT-2026-000087801

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087801) never changes.

Identity and time

Publication numberOT-2026-000087801 · never reused
Internal UUID01a0ae9b-1aa4-7950-b28d-3393eae39613 · 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-2026-000087801
StatusPUBLIC

Content hashes

Canonical text0bf6df96ae0b7c54eb29c6596b91f9d77b45fe854fb3d55023234e8741ad7fba
Markdownb58d9211a87ed515b7bc9a69987ae541dff41ef1c499a60cef5274817dba8df3
PDF
Publication page09d38ff4d9a5d9a7d3f0c2649609582e42aba0fd2ffb686842a816fa10acf65c
Manifesta44b5e07612a192cb92e5c2301a58a2382cf08d1b6d6a1e1f6d019ff7dd8d2a4

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
Signaturel7O8FqEjsIjvvoCN3nZcjobMS+wOGE07Wr7YzE9fZGOECwG8CLp91vfFRucor4iTc16yI1OUh3toaqiyU1m0Ag==
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

2026-09-17T09:48:56.139874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087801
observed 09d38ff4d9a5d9a7d3f0c2649609582e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.122306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087801/manifest.json
observed a44b5e07612a192cb92e5c2301a58a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.104631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087801/publication.md
observed b58d9211a87ed515b7bc9a69987ae541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.086398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087801/publication.txt
observed 0bf6df96ae0b7c54eb29c6596b91f9d7...
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.