OpenTechnical

OT-2026-000090043

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090043) never changes.

Identity and time

Publication numberOT-2026-000090043 · never reused
Internal UUID01a0ae9c-428e-71ba-8ef9-9b3f47e6e742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090043
StatusPUBLIC

Content hashes

Canonical text202c310da56eaf14b636b6710aa05390efeda8f5bc25e87b2c28fd4e48171e52
Markdowne2ebd47e51dcee81de5367681bab3cfbbf964067015860529566c204fbe5d18e
PDF
Publication page538ce813801444604433c26bd34ff4a3433da3359836293300138f178c7d87f2
Manifest01e530f929de004497ef4a529fdb8199e62b4cd6b748d1a8ab7b8ee4305704b5

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
SignatureNyEGB5cZRQLA1YaScsp97/Qt1VBS49TsA5oxfUgNTGQVeQWtPUCD5kBh0DL81Zi1RFqDJF2/HYdqVmPR3Gt+Cg==
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

2026-09-17T09:45:26.839761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090043
observed 538ce813801444604433c26bd34ff4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.819596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090043/manifest.json
observed 01e530f929de004497ef4a529fdb8199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.798209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090043/publication.md
observed e2ebd47e51dcee81de5367681bab3cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.777953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090043/publication.txt
observed 202c310da56eaf14b636b6710aa05390...
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.