OpenTechnical

OT-2026-000062949

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000062949) never changes.

Identity and time

Publication numberOT-2026-000062949 · never reused
Internal UUID01a0ae8c-94a8-71ef-b3ee-26b7f723d348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062949
StatusPUBLIC

Content hashes

Canonical text8840c56aabad6046d11db3eac177cfad1775dde6cf02d1d96faca0ce1305131b
Markdownda645394cdcc67fd3288b3564419828afbf53d4d5cc7c423a4f285dbae7d28b1
PDF
Publication page468d56308fe025212b7d5b3f68bee739bf903d6f56c7a9e4a46f708f7dc1f050
Manifest8ab2de0712ac547c45e4cf1951d99af58ec31ad40058a90d7ecd56260c922e75

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
Signatureaw2hepmw6StSVNarIC+5isdmFgY0/Z5NYFm2ihyKp74vHj2Jkz833KTWStAKOgH+ta8H334llk5m6usQD7stCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:27.215003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949
observed 468d56308fe025212b7d5b3f68bee739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.195011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949/manifest.json
observed 8ab2de0712ac547c45e4cf1951d99af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.175381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949/publication.md
observed da645394cdcc67fd3288b3564419828a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.158101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949/publication.txt
observed 8840c56aabad6046d11db3eac177cfad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.587873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949
observed 468d56308fe025212b7d5b3f68bee739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.572034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949/manifest.json
observed 8ab2de0712ac547c45e4cf1951d99af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.555417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949/publication.md
observed da645394cdcc67fd3288b3564419828a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.539626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062949/publication.txt
observed 8840c56aabad6046d11db3eac177cfad...
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.