OpenTechnical

OT-2026-000011378

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000011378) never changes.

Identity and time

Publication numberOT-2026-000011378 · never reused
Internal UUID01a0ae6c-88fe-78f1-98d8-e4c78e93bc05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011378
StatusPUBLIC

Content hashes

Canonical textda74aac973227fdb95d852edaf545bff8b7bd9008242c209d9b2fa37ce226980
Markdown6af8bf4c7d9f827e5858f268782f0061bc92c74d30f0b2eec606079bad0c6526
PDF
Publication page759d8e7247e3bcbc5633e3680b07706a980f9a781b5a44f46ed26fa26ca50ea0
Manifest201b675401e462776d90170c615bbe940cfda1756e948c372cd5f5d533bdd591

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
SignatureZV5vQzLU0DeAOQjz+l/0dHzLq8YUyhR3N7LIl7tprrlqQp1a09agXADIuSMkjaiUpCSVpSdfNkk5ZoS8/YM2CA==
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

2026-09-17T16:43:22.367194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378
observed 759d8e7247e3bcbc5633e3680b07706a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:22.188092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378/manifest.json
observed 201b675401e462776d90170c615bbe94...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:22.040719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378/publication.md
observed 6af8bf4c7d9f827e5858f268782f0061...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:21.847739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378/publication.txt
observed da74aac973227fdb95d852edaf545bff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.158232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378
observed 759d8e7247e3bcbc5633e3680b07706a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.138807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378/manifest.json
observed 201b675401e462776d90170c615bbe94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.118722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378/publication.md
observed 6af8bf4c7d9f827e5858f268782f0061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.099329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011378/publication.txt
observed da74aac973227fdb95d852edaf545bff...
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.