OpenTechnical

OT-2026-000050916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000050916) never changes.

Identity and time

Publication numberOT-2026-000050916 · never reused
Internal UUID01a0ae82-c7b3-7d04-8276-813f62e7315c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050916
StatusPUBLIC

Content hashes

Canonical text7d48a1f0e729c2f7d0052454d2c21fd5d36191d8070a38664860a201cd7be7df
Markdown444eaa51fd27c22a6daec8b7fecfb545055bc71fe55add8a1ad13839130c3a2f
PDF
Publication pagee80dd92561d5567b05721f311bf9820bcf72ddf5204750efad1edccde4ff26c0
Manifestf2bdf6e4b52de3e0eb6534f7fe3619918ce507617b086f6f619a3d8b320de8c6

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
SignatureYAOAeCniByVBo1cAACypH+Iw0lHYEWA5olXlabIXPGTw+SxG2YR5PUXtURpnJ+E1EqhlN6uW3nlWToLMQugYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:00:40.315698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916
observed e80dd92561d5567b05721f311bf9820b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.281565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916/manifest.json
observed f2bdf6e4b52de3e0eb6534f7fe361991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.281437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916
observed e80dd92561d5567b05721f311bf9820b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.253412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916/publication.md
observed 444eaa51fd27c22a6daec8b7fecfb545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.250828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916/manifest.json
observed f2bdf6e4b52de3e0eb6534f7fe361991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.221622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916/publication.md
observed 444eaa51fd27c22a6daec8b7fecfb545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.220350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916/publication.txt
observed 7d48a1f0e729c2f7d0052454d2c21fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.189047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050916/publication.txt
observed 7d48a1f0e729c2f7d0052454d2c21fd5...
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.