OpenTechnical

OT-2026-000026296

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000026296) never changes.

Identity and time

Publication numberOT-2026-000026296 · never reused
Internal UUID01a0ae71-f4a6-7fe9-aa45-03784072578f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026296
StatusPUBLIC

Content hashes

Canonical textf143f5f603530916a2e584e2dc4fdfe502a234124b5c83fd273053a2e46988fe
Markdown6fe926a7107d774de33c52830081a668e519ff57e918b69a6235ffdd354dd594
PDF
Publication page3a37534b02de0d9ff0c5437b44c20005dd813db0c1d9b9a0fefa3fce3c951955
Manifest25b75e7dba9575ce770f4a8c7a29daf47d4c98d14d754b3ee104eaf9c65e4c23

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
SignatureR6KVLgEy5rGGwtvpJky6tAJ1YrbirJ/OCuy+bG9IZLrww1ODB4ON6tw0unCvfiF485AA34D5oi83/gtWD8BIAQ==
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

2026-09-17T11:44:14.754274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026296
observed 3a37534b02de0d9ff0c5437b44c20005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.738638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026296/manifest.json
observed 25b75e7dba9575ce770f4a8c7a29daf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.721349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026296/publication.md
observed 6fe926a7107d774de33c52830081a668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.705150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026296/publication.txt
observed f143f5f603530916a2e584e2dc4fdfe5...
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.