OpenTechnical

OT-2026-000022918

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000022918) never changes.

Identity and time

Publication numberOT-2026-000022918 · never reused
Internal UUID01a0ae70-46eb-7051-8d72-ba29b62e233d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022918
StatusPUBLIC

Content hashes

Canonical text001846a662ebe6cc2dc48bccb8b626ccc5b2c49f6609de223ee6b8b35bbcd20a
Markdownb4643efb0df4c40effeb5ba19e0c541bd2814fce06620eb8cbe0d57d622aa410
PDF
Publication pagec4980226285c68d9f1747564972de26b20947f5409531c69e696b1e94006b767
Manifest6d89c41104508cbbf8f54a82381c7a616e87f5c7f6fad580407fa7451a610528

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
SignatureKDW+/7ge+g5P6i5F4E0IXsj5DMFksrW3Z4KMeeBpNikP1SM5eaPsEOFtjWbdBRGf63IPFkeKEA4OrU7VVbIFAQ==
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

2026-09-17T11:52:29.682319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022918
observed c4980226285c68d9f1747564972de26b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.663413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022918/manifest.json
observed 6d89c41104508cbbf8f54a82381c7a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.645576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022918/publication.md
observed b4643efb0df4c40effeb5ba19e0c541b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.625449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022918/publication.txt
observed 001846a662ebe6cc2dc48bccb8b626cc...
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.