OpenTechnical

OT-2026-000029626

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000029626) never changes.

Identity and time

Publication numberOT-2026-000029626 · never reused
Internal UUID01a0ae73-5e22-7e53-92b1-ed5f3ef4af76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029626
StatusPUBLIC

Content hashes

Canonical text0eba1f5a5a8959aab4f9090ec86744563619a957f618a7bc34d65ecea78e3919
Markdowncaf9046055031b03017698fdabe2c796083e1baf92a4a2f229d40e58b87a28b0
PDF
Publication page5fef5d67b694c52aa179862db443671be1b7c447fadf8ec504649ad676d2ccf6
Manifest4578f70cd1be4f3593f010f20c4d36a649bc98f98e36758d435bc3e0ce29fc70

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
SignatureOjwZlFeQFBGj9/wSsSiRI9WPE0wmJzBAKSxrwIfqhhQsXYCM+E3yGWPmv02Cf3LK+XYt5N9KhNen/Jze1ox6Bw==
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

2026-09-17T11:39:20.071778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029626
observed 5fef5d67b694c52aa179862db443671b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.055000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029626/manifest.json
observed 4578f70cd1be4f3593f010f20c4d36a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.035909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029626/publication.md
observed caf9046055031b03017698fdabe2c796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.012270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029626/publication.txt
observed 0eba1f5a5a8959aab4f9090ec8674456...
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.