OpenTechnical

OT-2026-000085521

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000085521) never changes.

Identity and time

Publication numberOT-2026-000085521 · never reused
Internal UUID01a0ae99-aaac-7f78-b4d9-9de334544f6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085521
StatusPUBLIC

Content hashes

Canonical textc36efe38bc58006e44a174f2b39677b423993e11152fe4a7258038de4249f8d8
Markdownb7033b3f65bdc9da487e44836b98d350a861b1862eb167b9982f8a040c4866a0
PDF
Publication page6235a2fe68c5027dab1f2779ab84349a7ad0ba71e9ae293bca8a4ebf1ff1944b
Manifestef7d32724f971d9274b2ce8fa02f0e9366f447a1886bafffd2754617d7e2ca03

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
SignatureDeBoA7SJvmU8UGzIR007RS/uVWQcrNbE8IRqOCE0nWTajpv0y5LZAmAaE7nTkR36L+PUigou/90QsQmM6X92Aw==
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

2026-09-17T09:54:20.073780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085521
observed 6235a2fe68c5027dab1f2779ab84349a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.056006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085521/manifest.json
observed ef7d32724f971d9274b2ce8fa02f0e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.038397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085521/publication.md
observed b7033b3f65bdc9da487e44836b98d350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.018387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085521/publication.txt
observed c36efe38bc58006e44a174f2b39677b4...
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.