OpenTechnical

OT-2026-000081986

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000081986) never changes.

Identity and time

Publication numberOT-2026-000081986 · never reused
Internal UUID01a0ae97-0f77-73b8-9095-f69c4407e7e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081986
StatusPUBLIC

Content hashes

Canonical text98a6f64e7eb7eb14f059521433bddda0ad4f65e4dd2a00be68dc70176549eee7
Markdown14f89ab14ee4044f08d10de265a49ea830d3cee70a8ac1e30a69b9c612f8d038
PDF
Publication page470d8a578e8748bdc267218826a5893a5c025030fa46707be8ae47bc55019a11
Manifesteb5b1cac16280dae85d809e6ef86c4c665c19bdb9ea22083c0a00f610746ed79

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
SignatureV95ImjL09c9oHn2OpEqfDzcz1bMj5tN280UqMo3AlGBu2N43RfL25P/NlQ9hLJoz8atWeJ4+GZ2rZ6F1HdULBA==
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

2026-09-17T10:01:07.676931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081986
observed 470d8a578e8748bdc267218826a5893a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.657277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081986/manifest.json
observed eb5b1cac16280dae85d809e6ef86c4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.639034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081986/publication.md
observed 14f89ab14ee4044f08d10de265a49ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.620529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081986/publication.txt
observed 98a6f64e7eb7eb14f059521433bddda0...
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.