OpenTechnical

OT-2026-000080491

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000080491) never changes.

Identity and time

Publication numberOT-2026-000080491 · never reused
Internal UUID01a0ae96-7e78-742c-ae3b-c365b73c16df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080491
StatusPUBLIC

Content hashes

Canonical text620ec18e5d2aebdd803bbc5e4ae111ba080f2c20a086c86d2b6ff62c71c597ff
Markdownf980f64b35d38470d55183936382137e2f0fcffe3600c03de6481f3d90af24ca
PDF
Publication page9d35e6460b0edd4c6cadae1bfc300f9ad28ba2e53c64d35c8e14e6bb2744136e
Manifest772b0454740d7dda51d80077e5728e90278ef853ee785ee6e3ba0fad63623b63

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
SignatureXCd1xMsFBwMxuQjwZaDj1P4YnGn263frr9xEnfwJ+f5zlOQbHY27Awf6qq38kYDM2AIrzxHbv3FTD81iJ22oDQ==
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

2026-09-17T10:03:00.809433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080491
observed 9d35e6460b0edd4c6cadae1bfc300f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.789754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080491/manifest.json
observed 772b0454740d7dda51d80077e5728e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.774082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080491/publication.md
observed f980f64b35d38470d55183936382137e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.755956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080491/publication.txt
observed 620ec18e5d2aebdd803bbc5e4ae111ba...
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.