OpenTechnical

OT-2026-000071611

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000071611) never changes.

Identity and time

Publication numberOT-2026-000071611 · never reused
Internal UUID01a0ae91-e0ef-7da5-99e2-ae315b690f43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071611
StatusPUBLIC

Content hashes

Canonical text17f51a3010786447c498334c78a1040bb412b04834ff9c7342fe75cb643afc7d
Markdown22de19160c7cf7524841f9c07847a4df061b8f595acc340598c63625de89fdaa
PDF
Publication paged93ab579671a4314c0639220c43836e78edddb9e15c45567f60f05bfda22dc90
Manifest2ff395a0f9743d4704d0b147475cd38dba5f28aa70726a46030599ed3320eb73

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
SignatureGbYtwcrzl0HyBdR1Ucw/CCAh8gRHTAu29z31EeEUHoTJRKkHzsMF83h8a7VxBUT3D/UxyFxnNGQmeg8k+cxdAw==
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

2026-09-17T10:25:15.840005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071611
observed d93ab579671a4314c0639220c43836e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.820558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071611/manifest.json
observed 2ff395a0f9743d4704d0b147475cd38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.802070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071611/publication.md
observed 22de19160c7cf7524841f9c07847a4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.782542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071611/publication.txt
observed 17f51a3010786447c498334c78a1040b...
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.