OpenTechnical

OT-2026-000080489

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000080489) never changes.

Identity and time

Publication numberOT-2026-000080489 · never reused
Internal UUID01a0ae96-7e78-7b81-aa7f-702bfdcd119c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080489
StatusPUBLIC

Content hashes

Canonical texte5531556f5c5afa9ead111e7f2ad79f3bdf75ac999d36d8d6d7159e9e2b5c16f
Markdown14eb83bc3d234f1ff275869b24bc2f3bf7447d9e80fbcc72ac7026b30ce4c12c
PDF
Publication pagec616895ecf6aecf48035b5aca4cd72def6754f8449a8df5c104e030b62b03dbf
Manifest3285a2efb7718626694c6c41d98a6e63157ce42e815a8faed91e07dc05a07257

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
SignatureNLTiywIklVUU3KkvRt4w07wvpYrBy21eXo0ZEjMHLGdcQBPZDc9je4CbNfc6cUx/Hjm45lZD29adfqWjvy4eBg==
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

2026-09-17T10:03:00.660778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080489
observed c616895ecf6aecf48035b5aca4cd72de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.643898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080489/manifest.json
observed 3285a2efb7718626694c6c41d98a6e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.625552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080489/publication.md
observed 14eb83bc3d234f1ff275869b24bc2f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.607232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080489/publication.txt
observed e5531556f5c5afa9ead111e7f2ad79f3...
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.