OpenTechnical

OT-2026-000063836

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000063836) never changes.

Identity and time

Publication numberOT-2026-000063836 · never reused
Internal UUID01a0ae8d-53b7-7433-a4ef-d9d581cc0282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063836
StatusPUBLIC

Content hashes

Canonical text312b2f74820a5e2c4a2c2e57f1abb40e3eb3e25aba2a5e9ef01c8b9e3bf48ec2
Markdown255e68cd6f06e52cc82cc7d00f2d396be183ee2117b5aee2f1af5da9a99aee79
PDF
Publication page0fd91bf3a075d55e81bd1097c96bffc0d90c5203dc7282f9df651e471a460496
Manifestd91dd004e885e773f84cedf850bceac281b83f8385951e51b2d73ccfaf874216

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
SignatureSFOcoA5BD1jCjRQPAC43Mtlx+Yh7UuIE5owNRBN0bKB7f3YnISAEkLJ8Ub3u4/Jvckv0GmcYqZPNWrdg3Nq4Bg==
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

2026-09-17T10:36:51.755120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063836
observed 0fd91bf3a075d55e81bd1097c96bffc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.736205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063836/manifest.json
observed d91dd004e885e773f84cedf850bceac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.718460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063836/publication.md
observed 255e68cd6f06e52cc82cc7d00f2d396b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.698471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063836/publication.txt
observed 312b2f74820a5e2c4a2c2e57f1abb40e...
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.