OpenTechnical

OT-2026-000067325

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000067325) never changes.

Identity and time

Publication numberOT-2026-000067325 · never reused
Internal UUID01a0ae8f-6bd7-7cbc-b938-f151dd0647c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067325
StatusPUBLIC

Content hashes

Canonical text9104f8f9119ae6436fef60d74e6c0242773919743873939969d7c2c58c302732
Markdowna4d8c9b7ebf4acb81ce2e29ba9156c1dcefcbfdf58f3a4d81e94bdb533279394
PDF
Publication pagedc301268e27310fd05a6ac81a881d766527cadaf13a14618e8648d71d8a3bd99
Manifest5b3beef926c1af3a0b9411eac420a9cfa05dae629489d55d042a11e812dcfdec

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
SignatureXftPOUek+c4Sj8p4ZrECJy2nbITN5ACnCFBTdgJuuk2lvYfQz304V2YPWps1MzxWLBaLbnyjWdev0ZdQwmwZAg==
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

2026-09-17T10:31:30.259067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067325
observed dc301268e27310fd05a6ac81a881d766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.242305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067325/manifest.json
observed 5b3beef926c1af3a0b9411eac420a9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.226324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067325/publication.md
observed a4d8c9b7ebf4acb81ce2e29ba9156c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.208144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067325/publication.txt
observed 9104f8f9119ae6436fef60d74e6c0242...
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.