OpenTechnical

OT-2026-000100469

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000100469) never changes.

Identity and time

Publication numberOT-2026-000100469 · never reused
Internal UUID01a0aea3-66ef-7ef8-b82e-52e28a1db660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100469
StatusPUBLIC

Content hashes

Canonical textaff937494f727ab2bece1f00511ccade39e56bdeef697d0f4eec1a8d7bb752a8
Markdowncc67aa7f66478a20dc2260698ccaa9b5bb8cfe962caa84964469702e6e464aa9
PDF
Publication page664c4ba8ef6b6aac90b5f4f857b327790f40be4282e76cdab6e7d80586c18910
Manifest2c0fa1329f90872a125f0d54f104b31ab6e6f367b70366a11aaa1c1aa29298e7

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
SignatureTe+w5M/Czr9mXUrEUEeWxyi07qKAed4F4LnHsr60JZVEw7oRHb1msE81SH8WIB17WFi/vrr6PAig83m3me5oDg==
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

2026-09-17T09:27:13.233095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100469
observed 664c4ba8ef6b6aac90b5f4f857b32779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.215163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100469/manifest.json
observed 2c0fa1329f90872a125f0d54f104b31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.195473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100469/publication.md
observed cc67aa7f66478a20dc2260698ccaa9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.177676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100469/publication.txt
observed aff937494f727ab2bece1f00511ccade...
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.