OpenTechnical

OT-2026-000088897

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000088897) never changes.

Identity and time

Publication numberOT-2026-000088897 · never reused
Internal UUID01a0ae9b-8f11-7c2a-93d8-6e129732854e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088897
StatusPUBLIC

Content hashes

Canonical textbf9243f10ff4bbde539ed86c2401d79dd60789cda5a4c330e029c2dc5e39d806
Markdowndc2d263193ac668ab81b1c5b681161a1fa45a5c14a4662e5cd9588eec242bd8b
PDF
Publication page5c226bf2dbdb97eb2fa9a0aaeb7024cdd3ce72875ecf5dc0c32bddee27a60966
Manifest38447b5d871008512198bda540686c5bf39b50a80c0ffb05b3d90980bf482459

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
SignatureMv9BBGZv7NH5nFUZcyhKZQ1PzxXyl5ksGDvyW94henKX7iDSk4aP2oEwkDJUhAOmnCphcE0LT8PEBojsohTfBg==
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

2026-09-17T09:48:17.952906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088897
observed 5c226bf2dbdb97eb2fa9a0aaeb7024cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.935805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088897/manifest.json
observed 38447b5d871008512198bda540686c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.918617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088897/publication.md
observed dc2d263193ac668ab81b1c5b681161a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.901372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088897/publication.txt
observed bf9243f10ff4bbde539ed86c2401d79d...
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.