OpenTechnical

OT-2026-000039935

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000039935) never changes.

Identity and time

Publication numberOT-2026-000039935 · never reused
Internal UUID01a0ae78-d8d7-78e6-8aa4-53c544076827 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039935
StatusPUBLIC

Content hashes

Canonical text935abb5449089651a677ed03395defcb6e3f216d4105fafe918d261209edfb4f
Markdownafbb8e0e78f8e5bfaeac2994c98b8f8cc62a4f923f6e4fc975956024c164196d
PDF
Publication pagec3733c2b0cf129d7c7d7e4492611171aea5197d0a8c74f18ae3b1627dcd6977e
Manifestb8eb05e1e5d0485fa760a08b398bbf837442364864ea165585b8712f86bdb300

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
SignatureP8mJ5NF/4XtmVNGFF8zJ0qC1REHOoLq6Ol3j88sdShXTaHuhp0qFdJmDnNR4uhqAkTB6Ub78TyiDB26W9+Z7Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:14.175314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039935
observed c3733c2b0cf129d7c7d7e4492611171a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.156759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039935/manifest.json
observed b8eb05e1e5d0485fa760a08b398bbf83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.138409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039935/publication.md
observed afbb8e0e78f8e5bfaeac2994c98b8f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.120490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039935/publication.txt
observed 935abb5449089651a677ed03395defcb...
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.