OpenTechnical

OT-2026-000071751

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000071751) never changes.

Identity and time

Publication numberOT-2026-000071751 · never reused
Internal UUID01a0ae92-1e91-7583-b152-21cc9517d27e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071751
StatusPUBLIC

Content hashes

Canonical text773f7d82d462fda97c7e73068f7f962415f9b6af46038c85ab3a0bcb661a22c8
Markdownd52a3e2e8d2651cd4688e19fb17d3d09e1f5815f4a795cba222853e795e38a02
PDF
Publication page71698b61cb347ac097313dd11583482ce49a2eb9735ca7f11642563fd4668edd
Manifest802290eb7b6335a736f6742d7ab321deb5577c3e3f75e1c8c65e578a9877a361

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
Signature/5X53T3r3Bsp1rpUAvi/Ao5eyPNq/INDfZus4WpAI1CiUFSaskjzekqXbkJeSK965XBk69iDWThU+8ffY3/0DQ==
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

2026-09-17T10:23:54.705939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071751
observed 71698b61cb347ac097313dd11583482c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.688901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071751/manifest.json
observed 802290eb7b6335a736f6742d7ab321de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.672485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071751/publication.md
observed d52a3e2e8d2651cd4688e19fb17d3d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.655992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071751/publication.txt
observed 773f7d82d462fda97c7e73068f7f9624...
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.