OpenTechnical

OT-2026-000045751

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000045751) never changes.

Identity and time

Publication numberOT-2026-000045751 · never reused
Internal UUID01a0ae7d-8f04-7abc-8376-159bad5ef50d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045751
StatusPUBLIC

Content hashes

Canonical text33c4edcfdeb22e0ee37a5a2f07722643c9b65260eef36a658c89d8b998db32f4
Markdown463f49feb098c194cc9a83de3ff6c024ffaabcb449c8838143b9c8aef0e2b8c1
PDF
Publication pageae74f90e86b3f19195c8087c46d216139d2882fdd9cf79455985c98bca78f3b0
Manifest83a0dae9301f9d25d85c83d268fd9e7524e751669d3835e27d8699fc3b68de12

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
SignatureZwsp6SXliNMiYM/toug6u36BvEZdQFlNrxhat0RhjEVBTZ8dsB+LAX678mq5BpCmtHxjqn3+4fs+QDUVIsu+BQ==
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

2026-09-17T11:09:34.464444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045751
observed ae74f90e86b3f19195c8087c46d21613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.443358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045751/manifest.json
observed 83a0dae9301f9d25d85c83d268fd9e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.423770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045751/publication.md
observed 463f49feb098c194cc9a83de3ff6c024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.400951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045751/publication.txt
observed 33c4edcfdeb22e0ee37a5a2f07722643...
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.