OpenTechnical

OT-2026-000053445

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000053445) never changes.

Identity and time

Publication numberOT-2026-000053445 · never reused
Internal UUID01a0ae85-0a90-76cc-be6a-14b4668736ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053445
StatusPUBLIC

Content hashes

Canonical text006bc47c6708924099751593d50922be328579ee4169cf8d4c9acc0dcac1c3ba
Markdown9ecffb418dee02609cb7c8f0b9798651e374b0655a32bb14794d45d81803c360
PDF
Publication page5296a2ff618ef51ebdd4a4f1a98e4e59820b9a312486d895794961202e770b4b
Manifestd1c623138058047cedb52e2a67e8d1067c2b0ea174433cfe00bd0f8dbc67239a

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
SignaturezG7d0oHJU7giq3THew1gYyyBLVx91LgyxMUeTg+RMlQz9yef9KZsvn8ysHzI04H+H6EtwxhTplM/ekPUZBrZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:11.258391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053445
observed 5296a2ff618ef51ebdd4a4f1a98e4e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.240911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053445/manifest.json
observed d1c623138058047cedb52e2a67e8d106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.218614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053445/publication.md
observed 9ecffb418dee02609cb7c8f0b9798651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.199183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053445/publication.txt
observed 006bc47c6708924099751593d50922be...
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.