OpenTechnical

OT-2026-000022441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000022441) never changes.

Identity and time

Publication numberOT-2026-000022441 · never reused
Internal UUID01a0ae6f-f4fd-7aed-88d0-ec4a8becf223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022441
StatusPUBLIC

Content hashes

Canonical text441979f1e4892476d584493bffea799d422d1367a8a9853dc90d30ba3bf01a03
Markdown14e04160d2bcb8219079d3aa87a2b764d6a05d762e1a10e758cb734d254074e2
PDF
Publication pagef23dbdb737e4b82c21f3ba887879b6aaf030ef320fc459ee991ac661fd02f419
Manifest9aed72d009bc49e006ee090aaf3d9eb32a2d9ad6f3bb2917425c7b9ce857e7e7

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
Signaturec+8XH9DiEgRxuCZyqGcHoHfljkntdgXiXyqLnGXQEf+Esm+LfRfdQvG6iwB4+dSJHbTfAvcjvvnBxzs1vasFCw==
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

2026-09-18T00:41:32.220587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441
observed f23dbdb737e4b82c21f3ba887879b6aa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:31.924299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441/manifest.json
observed 9aed72d009bc49e006ee090aaf3d9eb3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:31.483564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441/publication.md
observed 14e04160d2bcb8219079d3aa87a2b764...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:41:31.262201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441/publication.txt
observed 441979f1e4892476d584493bffea799d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.119188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441
observed f23dbdb737e4b82c21f3ba887879b6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.100598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441/manifest.json
observed 9aed72d009bc49e006ee090aaf3d9eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.084024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441/publication.md
observed 14e04160d2bcb8219079d3aa87a2b764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.068111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022441/publication.txt
observed 441979f1e4892476d584493bffea799d...
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.