OpenTechnical

OT-2026-000035978

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000035978) never changes.

Identity and time

Publication numberOT-2026-000035978 · never reused
Internal UUID01a0ae77-01cc-717f-8ac8-2c4fc07332f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035978
StatusPUBLIC

Content hashes

Canonical text0dc9a8c4f0627aa9aee4104f73ae160f8c1da3092e6a85950c8eb56abe306e89
Markdown4e001d3511a9929529cc52a044218167133166c1219313025599ce5459197332
PDF
Publication pagef8215429c57657dbf2c3edd47cfba5410304bb21d2ce7d2662cf2f5f6d97cd79
Manifestdaee479fa4ca65b1a12c8c59b8d8556080ff5ca39e92517a4c054fe38588e9db

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
SignatureR9mN4ZqvN4JsyEkYAYzs/l3upUcD0FvqQjWhNSk/a8SuPgKonVkVBNFZzs4l1q75+8vmCX4jocZhX71JAbDaCg==
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

2026-09-17T11:26:08.151660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035978
observed f8215429c57657dbf2c3edd47cfba541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.135207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035978/manifest.json
observed daee479fa4ca65b1a12c8c59b8d85560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.120388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035978/publication.md
observed 4e001d3511a9929529cc52a044218167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.104016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035978/publication.txt
observed 0dc9a8c4f0627aa9aee4104f73ae160f...
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.