OpenTechnical

OT-2026-000055441

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000055441) never changes.

Identity and time

Publication numberOT-2026-000055441 · never reused
Internal UUID01a0ae86-a102-7f70-a291-fa6567a65378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055441
StatusPUBLIC

Content hashes

Canonical text9fcc7dc5bd461f6a792452cc55caa02eef29539d03beab705fc7f1fa0146297d
Markdown2707c2bb18abc849706c81e9f7ba3829fc1f6b907b91bf5885ec2d980a76cd70
PDF
Publication pagedebee2d7d73e6d7db82dd485778def910ee4fd24de748e1d75458777c56de08a
Manifeste39422c25432d40af4b28bb2dd47477bd1818f495a3ea327e95a6ebd516d60c2

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
SignatureyKOf328RUlXoXl9YQbXKlfV1/9+7rkosKpND1r3QD0Npce2+ybdySmIOeIPo56pFTR6bcMp2ZDaAM4qClAK9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:05.551064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055441
observed debee2d7d73e6d7db82dd485778def91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.533455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055441/manifest.json
observed e39422c25432d40af4b28bb2dd47477b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.516350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055441/publication.md
observed 2707c2bb18abc849706c81e9f7ba3829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.499767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055441/publication.txt
observed 9fcc7dc5bd461f6a792452cc55caa02e...
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.