OpenTechnical

OT-2026-000086354

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000086354) never changes.

Identity and time

Publication numberOT-2026-000086354 · never reused
Internal UUID01a0ae9a-2c96-7b6f-8461-984fe7ddd3aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086354
StatusPUBLIC

Content hashes

Canonical text7cdfb33b5ce8851f9cc90b45a6d9161143de6cf061edf6c69a1ab66d89fae9b2
Markdown3e15491bf7cdeb1be8e343cd14632464d9cea5b72b45e01ea8bc5f731ecc080f
PDF
Publication page544008b9312745f6fc3dff6f8ed9433c474fdbb3995ad37a167328f06b04ad59
Manifestcbf1eabcf9beb6b65da50c7cc9be45bf1c0c0c32990308831b45ea06609a6775

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
SignatureNQ5RbVPBbb4CVA3Qa1vbF7A5h4e66Y7oPjecLGGnO7OfzYrgbkJc+eswnBCTnPFc5qpV9yfrncotyolnppjqCg==
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

2026-09-17T09:51:54.555473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086354
observed 544008b9312745f6fc3dff6f8ed9433c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.533788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086354/manifest.json
observed cbf1eabcf9beb6b65da50c7cc9be45bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.511910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086354/publication.md
observed 3e15491bf7cdeb1be8e343cd14632464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.490475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086354/publication.txt
observed 7cdfb33b5ce8851f9cc90b45a6d91611...
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.