OpenTechnical

OT-2026-000076797

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076797) never changes.

Identity and time

Publication numberOT-2026-000076797 · never reused
Internal UUID01a0ae94-b070-7545-8f4d-e21d8886ad05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076797
StatusPUBLIC

Content hashes

Canonical textbf2de2d74b7f1b9c540a18f286eacb0cf8a37ad603747f38705c12e19f86e7ea
Markdown79180430e4cb86abd7a8ee0e2f2cf2dfcae636d66b6f0a444fc865f3995f6380
PDF
Publication pageee1c1cb7bf175f07dced41a84d1ba1474729433b04458c1eccdb1a1bdc3be31f
Manifest5370e8d8695d122c39aedfeff84c9d6c9d4cb4bfa29322d4f78d066638312fb2

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
Signature85YMGu/YcS16Fn3jZNghACaGZOwS+M9cTrOqeRnnVS8hvUrjE8EvS8/VhxVMel34UHp8srVxKKmFO1UtQr8/DA==
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

2026-09-17T10:09:39.727850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076797
observed ee1c1cb7bf175f07dced41a84d1ba147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.708505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076797/manifest.json
observed 5370e8d8695d122c39aedfeff84c9d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.688404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076797/publication.md
observed 79180430e4cb86abd7a8ee0e2f2cf2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.668924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076797/publication.txt
observed bf2de2d74b7f1b9c540a18f286eacb0c...
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.