OpenTechnical

OT-2026-000074523

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000074523) never changes.

Identity and time

Publication numberOT-2026-000074523 · never reused
Internal UUID01a0ae93-717b-7250-ac79-302220250823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074523
StatusPUBLIC

Content hashes

Canonical textda2d6594aaa295e90c3b38b368ce2f80d93354cd4e52f1268a937f712968beeb
Markdowna0c87e51410f42e2d018c1e5e9ebb20139a8e69ffad8c5801b8928a812601806
PDF
Publication page269f85303d179b0f6621c8d84532188d176e699342b8dad784628beb79e86293
Manifest7dcdcf4146ad034ac94fb57b5101e8a7cbbd9f9bd3fa135b469d219a0a8614ab

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
Signaturezn+0g7tiDLddfnaEROVXrAFwjEst+psZrgF1Eft1d1Ni0RYHnoojWu5bgkyjOwbLPsSXo8z6bJfH6CW97ubnAw==
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

2026-09-17T10:19:30.079566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074523
observed 269f85303d179b0f6621c8d84532188d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.062076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074523/manifest.json
observed 7dcdcf4146ad034ac94fb57b5101e8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.042774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074523/publication.md
observed a0c87e51410f42e2d018c1e5e9ebb201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.023255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074523/publication.txt
observed da2d6594aaa295e90c3b38b368ce2f80...
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.