OpenTechnical

OT-2026-000050258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000050258) never changes.

Identity and time

Publication numberOT-2026-000050258 · never reused
Internal UUID01a0ae82-5c46-7149-84bf-9e4a8cfcae74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050258
StatusPUBLIC

Content hashes

Canonical text794476e01d45101a62cdbde05257631013b657e4fe923e9e4bdee215dd7dc391
Markdowna568ea0162912a6fe91336e29a2b51b3f87621c5971c0fb7e859aa8e9deeb89a
PDF
Publication pagee32778048f4fc148dba9e90ae398871a86f7fc101e4041ad44a974f9aecd1016
Manifest828262f290713762b707208539b777ec377b025a914092848eae24ed4b2f2d28

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
SignatureCeAlHZ5QCLi+Cl5WOQUKmf1HZSw8/jNNbGNDhrVlxjZoVBXwAELqA4Z/zL5ipG5CzpiYPXIzRAVy7Ansv9ozCg==
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

2026-09-17T11:01:15.496275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050258
observed e32778048f4fc148dba9e90ae398871a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.479699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050258/manifest.json
observed 828262f290713762b707208539b777ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.463366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050258/publication.md
observed a568ea0162912a6fe91336e29a2b51b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.446754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050258/publication.txt
observed 794476e01d45101a62cdbde052576310...
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.