OpenTechnical

OT-2026-000097231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000097231) never changes.

Identity and time

Publication numberOT-2026-000097231 · never reused
Internal UUID01a0aea1-01ca-7c22-a359-fdc0497b626b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097231
StatusPUBLIC

Content hashes

Canonical textc6572b7dd3c5a578ad5f88d66235d8118182795bdae806182b86506fc7eeb690
Markdown7dc5b68b6b46e388421d484699ab1501bbbe93c6e1aafc77649686171caf2073
PDF
Publication page7bab56f9c94006dd0e30fcc4ab6715ef9d5872ac8c7313e5ce24087dc1598ebc
Manifest6d5ac15f758584a21d5be7be6f40f46ca94ce89d99d9e9d2d27787f804513097

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
SignatureO67/Es8ERkRjRmAP9LFA8QFNIMyMW7JZePOjwHIFj2AygP9VYRYsWypWNCiQaNBNwiLZPO1a3qxtdmkYRQOsCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:28.811886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097231
observed 7bab56f9c94006dd0e30fcc4ab6715ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.795018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097231/manifest.json
observed 6d5ac15f758584a21d5be7be6f40f46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.776991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097231/publication.md
observed 7dc5b68b6b46e388421d484699ab1501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.760201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097231/publication.txt
observed c6572b7dd3c5a578ad5f88d66235d811...
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.