OpenTechnical

OT-2026-000005777

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000005777) never changes.

Identity and time

Publication numberOT-2026-000005777 · never reused
Internal UUID01a0a944-8514-7f6d-8129-6223a57cc6cc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:35.159488Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005777
StatusPUBLIC

Content hashes

Canonical text7c871ad578dd87ab50ab368cfa461fb447150aa07deb39da42995c553f47b4e2
Markdownd3e2964a7a8d69977266882f75c9a5c2ecfae7daba95814cc3f635c13df7af68
PDF
Publication page9e6b2260fa381970886b55dada8a4add621cccd95917678724fe8eb60249de0a
Manifesteb539b19f8bf3c3a3ea967fdc3bdb620d772273b037ae2a1a58225db9147321c

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
Signature674pzDi8BLTNMKtxV+LeluMBqwSWysC0YywQHkfKWyY3X11gHCFe4L42lDotSUNP1+jZldvP2WPloEAt+6wdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:34.137658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005777
observed 9e6b2260fa381970886b55dada8a4add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.123365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005777/manifest.json
observed eb539b19f8bf3c3a3ea967fdc3bdb620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.984821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005777/publication.md
observed d3e2964a7a8d69977266882f75c9a5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.970887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005777/publication.txt
observed 7c871ad578dd87ab50ab368cfa461fb4...
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.