OpenTechnical

OT-2026-000081046

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000081046) never changes.

Identity and time

Publication numberOT-2026-000081046 · never reused
Internal UUID01a0ae96-b976-77c1-9d58-2a10806d60b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081046
StatusPUBLIC

Content hashes

Canonical textff1915b2f216227d4c4a9e79cf5a43fc18e08c23e14cab4ecda8ac678bd9f14b
Markdownc9ccbe9857b95593d70be2985941707f8bb0bbea9a262015a32f9248e25eb6d0
PDF
Publication page69aded8b820f430f72a57eb452eab98ab7dcaaf1ef34932551814b00bf3dfcdd
Manifestac0a896e3d7cda6bc420471b53b80841e4b5c4046babb60ef5acc9a0ce9910fe

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
SignaturexT/NKSerDQeox+tf3CARNK5TJThUYBvbWd49agsJiy198FhKRj7/2E52ue5/y8BjHF+OEGIxF8YWVF4RfPmIAg==
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

2026-09-17T10:02:20.358954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081046
observed 69aded8b820f430f72a57eb452eab98a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.332949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081046/manifest.json
observed ac0a896e3d7cda6bc420471b53b80841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.315111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081046/publication.md
observed c9ccbe9857b95593d70be2985941707f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.288056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081046/publication.txt
observed ff1915b2f216227d4c4a9e79cf5a43fc...
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.