OpenTechnical

OT-2026-000037779

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000037779) never changes.

Identity and time

Publication numberOT-2026-000037779 · never reused
Internal UUID01a0ae77-f889-7120-aef6-8d56f9d2962b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037779
StatusPUBLIC

Content hashes

Canonical textab8935dc45be7af2c4515a25084240a20e8da8ed0b5288f2c6a02ff9221de1a2
Markdown83788152161f6d280c479e3d4add64b081cd3db6ea4436866cae23a3c31a1850
PDF
Publication page2fcd85d54545f569920b684fd5d34ab797014794df79262fccd74135611937f4
Manifest23941c23b607447d4dd8c326fa4c10a1ab30e8b9728a84fc5d686243554ec448

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
SignaturejG5Nny6uWmnWHeN5bPBpp5hfkCUtzGpwO3vT+dyk+H+8oXQ4Dpvk3uVms53/Qo+QUi4eidqTyAW5zpzjcJ4jBg==
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

2026-09-17T11:23:00.771970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037779
observed 2fcd85d54545f569920b684fd5d34ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.754251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037779/manifest.json
observed 23941c23b607447d4dd8c326fa4c10a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.734375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037779/publication.md
observed 83788152161f6d280c479e3d4add64b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.716407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037779/publication.txt
observed ab8935dc45be7af2c4515a25084240a2...
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.