OpenTechnical

OT-2026-000095131

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000095131) never changes.

Identity and time

Publication numberOT-2026-000095131 · never reused
Internal UUID01a0ae9f-8f6e-7398-9f26-6bbe7f70619b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095131
StatusPUBLIC

Content hashes

Canonical text2b81153c626836bf17f74c729865966b56cd042157b2c5f2ed32b06f7367ffab
Markdownd0bea850a41e40644f0da5b4541b347324a4e3708bdf709a3e27bf6d7c8b3558
PDF
Publication pagea961149a392859fe035fb736cf2b5f6698de876745f615014a8ea2940d5a3db4
Manifest59029cf7f981b447c4e9f48fdc2cee426986003f21c034694c8ceae093614c10

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
SignatureO6TMIaOnTGUtHWBpUGL01A6ocloUgDJJEFRGBwdrlp6W3RRkG4EeYiPv4pSl87kpaP54GuUW81srsZDtiLKYAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:25.573887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095131
observed a961149a392859fe035fb736cf2b5f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.556378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095131/manifest.json
observed 59029cf7f981b447c4e9f48fdc2cee42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.539112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095131/publication.md
observed d0bea850a41e40644f0da5b4541b3473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.521632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095131/publication.txt
observed 2b81153c626836bf17f74c729865966b...
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.