OpenTechnical

OT-2026-000080699

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000080699) never changes.

Identity and time

Publication numberOT-2026-000080699 · never reused
Internal UUID01a0ae96-b973-76fc-8878-f3cea673ca9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080699
StatusPUBLIC

Content hashes

Canonical textb8579b2096713d3926aa0366c69dfd73b40742dc36075277fb64ca426dd478dc
Markdown60843c58a504247d4a24a4ff60c2e2f86111395c197ddd13e36a472e4ca72968
PDF
Publication paged6f3d3f953b807e2bdd82cf1229133ab350c38996c738524392c2229d7339c2e
Manifest0499bd059fdf4e82a3f7b1f7f17427079bf8ae9ecd653ea8e52d4e1af45b462b

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
SignatureBj2JSt/vipxLSO4NxAXweuuDemWjYLkEtwSApm6JVeVBJj/xM8r9sGskh2iRZF8w0oazO33etn0zx+F3zt5/DQ==
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

2026-09-17T10:01:43.936016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080699
observed d6f3d3f953b807e2bdd82cf1229133ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.917698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080699/manifest.json
observed 0499bd059fdf4e82a3f7b1f7f1742707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.899820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080699/publication.md
observed 60843c58a504247d4a24a4ff60c2e2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.882005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080699/publication.txt
observed b8579b2096713d3926aa0366c69dfd73...
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.