OpenTechnical

OT-2026-000086519

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000086519) never changes.

Identity and time

Publication numberOT-2026-000086519 · never reused
Internal UUID01a0ae9a-2c97-7069-b1a7-ad7e5a8befd8 · 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-2026-000086519
StatusPUBLIC

Content hashes

Canonical text5494de91bc1562a4df634efe60fc4449c71de159eb21c6dfe31da1a4bd19fafa
Markdown56f4f31b85f0c16bb233c5ef384a23386ed9a27fca468ff124c26be9019db154
PDF
Publication page227410662ad24d2f0236a67529e6db0691024480537794150affd0354e18c096
Manifest5144812803de4028ec581efb3347030089404216f51d03806f15537f8e485046

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
SignatureUJhx+P+TT6MFSVe2ZVpqX90OgSedeejJQr0fHRUt+TQv9IYbqRtfqNstL+njrjIUYW61akXz5wxPidGVzAUFAg==
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

2026-09-17T09:52:20.418031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086519
observed 227410662ad24d2f0236a67529e6db06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.399579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086519/manifest.json
observed 5144812803de4028ec581efb33470300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.381048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086519/publication.md
observed 56f4f31b85f0c16bb233c5ef384a2338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.363777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086519/publication.txt
observed 5494de91bc1562a4df634efe60fc4449...
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.