OpenTechnical

OT-2026-000086772

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000086772) never changes.

Identity and time

Publication numberOT-2026-000086772 · never reused
Internal UUID01a0ae9a-80a4-7503-9dec-404c677b879c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086772
StatusPUBLIC

Content hashes

Canonical text130dd55da3841d89f48e149147e3a3c5fd3c45ce0cb854510da3595a34699e56
Markdownc217fd30ac80ab1bff2e3f20962f26db007dbe513f7383aca3677f90983f0c6b
PDF
Publication page9168d85a248cf5ca1335e3b42ea05049556d0d875ec53c9edaea0f243f30ce11
Manifestcef5ba18d5c87479f1ec776be9eeb69351e52201be2c1fdedd6bd48e9697ee97

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
SignatureV+yD005fKv32fAwPzWrVbO0B/lbjFKMO0Nlvt880l7XyDMpNgcRpX1njQuoQArCR7O+ZJr2Z7EG8MOOqsYmSBg==
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

2026-09-17T09:51:34.690605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086772
observed 9168d85a248cf5ca1335e3b42ea05049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.665566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086772/manifest.json
observed cef5ba18d5c87479f1ec776be9eeb693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.647798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086772/publication.md
observed c217fd30ac80ab1bff2e3f20962f26db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.630174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086772/publication.txt
observed 130dd55da3841d89f48e149147e3a3c5...
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.