OpenTechnical

OT-2026-000092981

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000092981) never changes.

Identity and time

Publication numberOT-2026-000092981 · never reused
Internal UUID01a0ae9e-090f-7484-8e0e-902c71a0eaf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092981
StatusPUBLIC

Content hashes

Canonical text3b7fc5288849021bfa13f08ab194d695d159367d9285f8ab3d6df99e3d6756d1
Markdowne8bff7c360dd32120d4806437acb4d2dd87f8ecf3266384034de5da779da2b15
PDF
Publication pagee8a06436b7388aaf4136b742193c9c582f01bdb33ae6e109acbf59419e722fc2
Manifest25a086912f8e95ddcc0b0c0c1fd324d10dae368830a8da52a8dfc55832e673c4

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
SignatureybQkOavJcERcaPkRnJOB6303AWlXryzteiWJbA5KaO9OlzgHE1h3PbZ3b4frTdh81Nnpf8trIWhobVFj7vAvBA==
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

2026-09-17T09:40:10.857314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092981
observed e8a06436b7388aaf4136b742193c9c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.839120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092981/manifest.json
observed 25a086912f8e95ddcc0b0c0c1fd324d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.819878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092981/publication.md
observed e8bff7c360dd32120d4806437acb4d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.802148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092981/publication.txt
observed 3b7fc5288849021bfa13f08ab194d695...
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.