OpenTechnical

OT-2026-000024075

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000024075) never changes.

Identity and time

Publication numberOT-2026-000024075 · never reused
Internal UUID01a0ae70-aed7-7af7-8fef-212a915fb18c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024075
StatusPUBLIC

Content hashes

Canonical text4e00e11cf1851ab8fa3a34dcfed7e163f3ce405981911abc3323f0ce933e4569
Markdown8970af708401977eee8fcd7dcafc1187e8eaf93c4bba0db25899bec5b9f770d8
PDF
Publication pagef447dfe38ef2946174b20010d77c90756d7f61959f82a141d53b45cbdb0396b5
Manifestee6321efa3f0db5ef418d9e5c1c61a3bd5e9331efdaf950ddc17034ad8b5743b

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
SignatureHmsZ6WqCC68zDaty5f+nlk5QB7wPwQeELVwOUfR5GNfMn0rt1Exxw2WsY0V8NBJPLffQWjmiv+zIZG6uWvOuBA==
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

2026-09-17T11:50:59.304989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024075
observed f447dfe38ef2946174b20010d77c9075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:59.288183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024075/manifest.json
observed ee6321efa3f0db5ef418d9e5c1c61a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:59.269564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024075/publication.md
observed 8970af708401977eee8fcd7dcafc1187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:59.245389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024075/publication.txt
observed 4e00e11cf1851ab8fa3a34dcfed7e163...
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.