OpenTechnical

OT-2026-000038071

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000038071) never changes.

Identity and time

Publication numberOT-2026-000038071 · never reused
Internal UUID01a0ae77-f88b-7c2f-a35a-b2c699bf9f33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038071
StatusPUBLIC

Content hashes

Canonical text2c838a34de6e204d696189084bf5a5ba3a85560a5123bdc7b5d0e878cbe5066b
Markdown767eb270c6fc482599e9271d23168964c2747451f36c0e19181701b4a9eab321
PDF
Publication pagedfae33a12c707c16ec17cbb8a4ff8234fd174bbb72add90dba14285ed27e86b1
Manifest67da23b8afbedfc3857c33aa83cd53ad9a3af3bf09515b569f6ebb1145016d73

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/K83ozJn7aY5EpEjEvKCJkbWuzsx/Pul1XBDtY9gajX0zDtDB5rUFkWFNEATh638Wk6EfDaF5qdX3/JWMwtvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:23.804272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038071
observed dfae33a12c707c16ec17cbb8a4ff8234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.785762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038071/manifest.json
observed 67da23b8afbedfc3857c33aa83cd53ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.766177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038071/publication.md
observed 767eb270c6fc482599e9271d23168964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.747546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038071/publication.txt
observed 2c838a34de6e204d696189084bf5a5ba...
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.