OpenTechnical

OT-2026-000015490

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015490) never changes.

Identity and time

Publication numberOT-2026-000015490 · never reused
Internal UUID01a0ae6d-ef4a-77aa-a743-88d41316884f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015490
StatusPUBLIC

Content hashes

Canonical text5b105d2d1e94f37c061748c7d27c4a362ea5cf90dfdf3dbb5618f8e98c225083
Markdown4285c4fb82cc590d8a7a29f26c9771c9fad3eb2971d19edc9bb668154162551a
PDF
Publication pagee785d8bc5b5a98d36f4372af6173dead25cd791899d75a36e730dd7640012307
Manifest5156ab291a9c9e8f9106d9acbc6652b4b9c7b6be875a797a8e1d908a0bc88d95

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
SignaturejzmbvNjK9ZrAfgaIc6Id7AEiH3TrSQBCTwmLNvQs/25Zdt8ThFkO8CtENyOmnILbtRVAsdbAcAJYILIS8ZngAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:15.233678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015490
observed e785d8bc5b5a98d36f4372af6173dead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.214897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015490/manifest.json
observed 5156ab291a9c9e8f9106d9acbc6652b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.195426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015490/publication.md
observed 4285c4fb82cc590d8a7a29f26c9771c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.176484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015490/publication.txt
observed 5b105d2d1e94f37c061748c7d27c4a36...
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.