OpenTechnical

OT-2026-000101541

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pulsed blow-off after 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-2026-000101541) never changes.

Identity and time

Publication numberOT-2026-000101541 · never reused
Internal UUID01a0aea4-0e15-7fe4-8685-85bd10e63093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101541
StatusPUBLIC

Content hashes

Canonical text924bad3f727177cc60da9d29919d8a012cbfef5f091d4636b075e7b7b4fc19c2
Markdowne002fd685e92f1c5bed29e2d16723ca22223b870575c9c7ff7aa044ba7979df5
PDF
Publication page5c13d2bf692e066f48773fba36130496778ecd8458ea53dbb65a4c52178888dc
Manifest2471294669ea7922abb7ab63aaea2d1ed733e27f650362b82a8fab8bef15971a

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
Signaturev9zaQPTSO9GSeMOTWPUQaBC/ejdU+39XdMaLLIqq/RM1qfEo7BMwj4qMG5NUfclp7aTMUlHkzhEzPL/rCq0+CA==
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

2026-09-17T09:25:34.940054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101541
observed 5c13d2bf692e066f48773fba36130496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.922520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101541/manifest.json
observed 2471294669ea7922abb7ab63aaea2d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.903443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101541/publication.md
observed e002fd685e92f1c5bed29e2d16723ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.886654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101541/publication.txt
observed 924bad3f727177cc60da9d29919d8a01...
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.