OpenTechnical

OT-2026-000013002

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000013002) never changes.

Identity and time

Publication numberOT-2026-000013002 · never reused
Internal UUID01a0ae6d-5564-7058-b7ec-b3acddaa7969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013002
StatusPUBLIC

Content hashes

Canonical textaa378506c3c86ba5e1c1c6b195686ec7387faeda47119ab6118ffb5d743b8535
Markdown35dfebd2faf01888c4dc0c44dda878740d7fcb4173dd7283d44014d2d552793e
PDF
Publication page8f15d1f508f1236c9069b3cd285be76b105926410929056740cac8f15da4e1fa
Manifest3b5fbbe1b7a2bb668c214825700ab55573f0b78526deb90f231a2245c73544a0

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
SignatureJ8NbQ+Xm+5X7yD+9YOll7KZZEKTUZB0RmELFnLKirWiLU3ccJtha3R0kU2SJfNCdmKQUoM1RusRqybZhMGslCQ==
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

2026-09-17T12:10:11.731881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013002
observed 8f15d1f508f1236c9069b3cd285be76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.714487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013002/manifest.json
observed 3b5fbbe1b7a2bb668c214825700ab555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.697733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013002/publication.md
observed 35dfebd2faf01888c4dc0c44dda87874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.680723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013002/publication.txt
observed aa378506c3c86ba5e1c1c6b195686ec7...
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.