OpenTechnical

OT-2026-000073051

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000073051) never changes.

Identity and time

Publication numberOT-2026-000073051 · never reused
Internal UUID01a0ae92-c816-7f32-a4ca-517b69209f71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073051
StatusPUBLIC

Content hashes

Canonical text681cfce1ae856acaeb73baff9d64a2136158eacebfec48ff9a8fe4f7b0c2c1bf
Markdown27aba5f8bc0fea78de7021b8852cbbcbc08de6fddd8095c93222a4b820463a06
PDF
Publication pageda0b39e4da714d9f8f5d62478d134e52f7ffd2febe2a8cc9b8519ee7936e74c4
Manifest7b4da05d54af8d1b1cc8776a72fd504f605b20510ff94492c0246ff53196402f

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
Signatureo3Pg4aifBWFMCieYRJ4eP+nmm1RynvKub0/FO+WcrgHpmbWM2RllMHojHrTw67l4MmiI5tuooYtIBvGYSQZCCg==
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

2026-09-17T10:21:59.752008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073051
observed da0b39e4da714d9f8f5d62478d134e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.734551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073051/manifest.json
observed 7b4da05d54af8d1b1cc8776a72fd504f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.714962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073051/publication.md
observed 27aba5f8bc0fea78de7021b8852cbbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.698491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073051/publication.txt
observed 681cfce1ae856acaeb73baff9d64a213...
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.