OpenTechnical

OT-2026-000020714

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000020714) never changes.

Identity and time

Publication numberOT-2026-000020714 · never reused
Internal UUID01a0ae6f-65e2-7183-96ee-aacf877b6a1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020714
StatusPUBLIC

Content hashes

Canonical textb14b3e65147c0b29b61ebe7e30d18b993b8a3f9a078edcf196d215003d5b99d6
Markdown257b5ef748c25b75adb0b8cdec6c14b932d4a40c9746c116db1c35fe7a9add6b
PDF
Publication pagef2d879553300299249fc3bc4c5188c239df5a4cfc6f0455f025dba87d0dfdc94
Manifest8be0aca71f683db63cae1b9a2b7f138533978860a432287c40abacbc482dad4f

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
SignaturedmzHmzi6q0kKNrPUVf1AWGAu9Dfo9fzXda30y0b8MafBzJPYsZZtgn7qIhSFp5sg3FqWzPvFXRXVhG7HYTZGBA==
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

2026-09-17T11:55:46.058813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020714
observed f2d879553300299249fc3bc4c5188c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.042018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020714/manifest.json
observed 8be0aca71f683db63cae1b9a2b7f1385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.024187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020714/publication.md
observed 257b5ef748c25b75adb0b8cdec6c14b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:46.007453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020714/publication.txt
observed b14b3e65147c0b29b61ebe7e30d18b99...
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.