OpenTechnical

OT-2026-000030194

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000030194) never changes.

Identity and time

Publication numberOT-2026-000030194 · never reused
Internal UUID01a0ae73-e500-7358-8188-f6e0302d51fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030194
StatusPUBLIC

Content hashes

Canonical textb0d073f6099eb4daa8c69efbd29d05f12c07d8c2f4c530b181c2649d20e28306
Markdown6967427859987cf52ac5cde09546e8f05db509bcde73ca602cea137c77deefae
PDF
Publication pageb82654b6a57021cc20b1c2602aab1dbedce634be6106b25d483eb88cd4f7fd25
Manifest2c99b8752f7dae5225177fbf44f41038fe3e118a033cd9210f748a68b6d8481e

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
SignatureZIEf5gwqbmTlsw238JVln1wL1uSBCPa0XUoH+9+xsxjiK907hY16VaTzOPPSJRuZraV7wU4LmF8Xls8Vp1WxBg==
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

2026-09-17T11:40:33.697241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194
observed b82654b6a57021cc20b1c2602aab1dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.680540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194/manifest.json
observed 2c99b8752f7dae5225177fbf44f41038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.663951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194/publication.md
observed 6967427859987cf52ac5cde09546e8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.648827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194/publication.txt
observed b0d073f6099eb4daa8c69efbd29d05f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.060907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194
observed b82654b6a57021cc20b1c2602aab1dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.041735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194/manifest.json
observed 2c99b8752f7dae5225177fbf44f41038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.021649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194/publication.md
observed 6967427859987cf52ac5cde09546e8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.002488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030194/publication.txt
observed b0d073f6099eb4daa8c69efbd29d05f1...
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.