OpenTechnical

OT-2026-000040349

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040349) never changes.

Identity and time

Publication numberOT-2026-000040349 · never reused
Internal UUID01a0ae79-2700-74aa-b075-d1cbf48ee9e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040349
StatusPUBLIC

Content hashes

Canonical text329e0d120bef78653683be063099b39c0c982e39442d9ca90305e0bed9480126
Markdown4150dc4fbb91cd0d878653f0b268f29555ea74bad64aab23a3a05806dbe02bee
PDF
Publication page336895cefe054799e28fd5d71b0840eee8d881ede576b15bdc6e291c28d70530
Manifest177dd8e907a34cb8d177ead70b7d445040f302fd50b75c6bb5d9c031e5f6f758

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
Signaturev3raPj/goUYn6IjYWRw2KPLj76wTVY2dJZssI0oqd59YrEfutA04Qzngd1Eks7WumEjo+Ftk59VRdDXNVTlbDg==
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

2026-09-17T11:19:21.649675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040349
observed 336895cefe054799e28fd5d71b0840ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.631280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040349/manifest.json
observed 177dd8e907a34cb8d177ead70b7d4450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.611581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040349/publication.md
observed 4150dc4fbb91cd0d878653f0b268f295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.579355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040349/publication.txt
observed 329e0d120bef78653683be063099b39c...
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.