OpenTechnical

OT-2026-000038925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000038925) never changes.

Identity and time

Publication numberOT-2026-000038925 · never reused
Internal UUID01a0ae78-769f-7ba7-84b3-4c5fc35ec2f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038925
StatusPUBLIC

Content hashes

Canonical text593d186b6708db6e2fb2f61e4e51c44700173214e3722288a3bf94f9a7ef32e2
Markdown3e879fe5a40334d98e5f25d7177ea77cab16d4f843f73b24d1b283644650584e
PDF
Publication pagea6d172e9ff9a8b63272411cea52254b81b21eda799cfb32ccaed46842f0733e1
Manifest241f621856dd8e18ae666d8c9e92fa5f380947050ec7049a936b08cd1a7613b0

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
SignatureFlZEkWFS9zYyXQBuXZC+RSKz7kwNocverRNmO8JgPU8BwYSISBviqU2eBF6dk5JPntHE8dKvhdumbb7zFORKDw==
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

2026-09-17T11:21:36.116183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038925
observed a6d172e9ff9a8b63272411cea52254b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:36.096759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038925/manifest.json
observed 241f621856dd8e18ae666d8c9e92fa5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:36.079598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038925/publication.md
observed 3e879fe5a40334d98e5f25d7177ea77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:36.062246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038925/publication.txt
observed 593d186b6708db6e2fb2f61e4e51c447...
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.