OpenTechnical

OT-2026-000074604

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074604) never changes.

Identity and time

Publication numberOT-2026-000074604 · never reused
Internal UUID01a0ae93-717b-7731-9252-5293b360b766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074604
StatusPUBLIC

Content hashes

Canonical text37ba7c4a660cc49dbb75f7fed00a9ab2c17495a872687ac5d763ceda4c0bab0d
Markdownfbfa2551669fec60a326b6bb2ee62b0a59f53ceb5b49626dd4ea4f4cb0b31c3a
PDF
Publication page10f375e3036e097fe508e272d76332686718423f94482539959920b5e1598504
Manifest5cb1b349bd7bd6ab6004b0dfc3444dab596acd6deee04f3d99ab6eba61aaa6fd

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
SignatureNKRv9Tv9c2c9VRWqg4dSvzqQJpiZWZOpoIVqKZrGMXPMn8MN7cflIy0PZnXqXML2tySYGBQxzLKeEpe8RovADw==
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

2026-09-17T10:19:37.864341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074604
observed 10f375e3036e097fe508e272d7633268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.847088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074604/manifest.json
observed 5cb1b349bd7bd6ab6004b0dfc3444dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.828716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074604/publication.md
observed fbfa2551669fec60a326b6bb2ee62b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.810067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074604/publication.txt
observed 37ba7c4a660cc49dbb75f7fed00a9ab2...
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.