OpenTechnical

OT-2026-000036583

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000036583) never changes.

Identity and time

Publication numberOT-2026-000036583 · never reused
Internal UUID01a0ae77-46e7-71ee-88ad-40bcd14224ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036583
StatusPUBLIC

Content hashes

Canonical textc30830434f580e12425debfa966a417b105539c49764aebb762797f309b48f86
Markdown57aacb34259a8383a9c50bc5f05edfb9fcc20ad1586be4d82495443ff0e975c0
PDF
Publication pagec6f28bdd86691b7882e1eb21673b54a2509cc429bdaf1edb20eae9cd6f527ed3
Manifestedb6c54069251785bd8221b7a2cffbef9bbcbc04bb8ad67d8d2332485b1573b2

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
SignaturenQpnxQZZOdOu/SPgVjKC+6dZT5EQJZyXIgluYZ4kRu899YW9XaftuM9AUoXV9bElwAslJ9/yAys32xE5jYdPCQ==
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

2026-09-17T11:25:48.383228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036583
observed c6f28bdd86691b7882e1eb21673b54a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.366359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036583/manifest.json
observed edb6c54069251785bd8221b7a2cffbef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.348619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036583/publication.md
observed 57aacb34259a8383a9c50bc5f05edfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:48.331231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036583/publication.txt
observed c30830434f580e12425debfa966a417b...
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.