OpenTechnical

OT-2026-000085115

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000085115) never changes.

Identity and time

Publication numberOT-2026-000085115 · never reused
Internal UUID01a0ae99-43b9-7de1-b9b1-1e8a4827009f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085115
StatusPUBLIC

Content hashes

Canonical text5ffb2d3f3ee5e4be73e40eec7313ad3f6f9385a45e9f46ce0136f79d2d0dacd9
Markdowneac3249808defbdbe8198fd7befdf2f2194de477acbf04f7a291dfcd4dc5830a
PDF
Publication page59829663c981f0b2ee246d0aa66e914049478e236d6293af1784455f0e083a0a
Manifest347b8b7111e2f552bd3dcc0ebd985f898a8f525cc69355fef0f3941b314cf600

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
SignatureXHaq12PVKAJm1kJ4iBJmlIDR3u7sg4U/uJOLA6Y5xGQMgBsCvYJU9di7/vgBj6V88B1GC1wYhZb8dgNRMq+rDw==
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

2026-09-17T09:55:11.316643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085115
observed 59829663c981f0b2ee246d0aa66e9140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.298556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085115/manifest.json
observed 347b8b7111e2f552bd3dcc0ebd985f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.280789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085115/publication.md
observed eac3249808defbdbe8198fd7befdf2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.263884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085115/publication.txt
observed 5ffb2d3f3ee5e4be73e40eec7313ad3f...
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.