OpenTechnical

OT-2026-000048602

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048602) never changes.

Identity and time

Publication numberOT-2026-000048602 · never reused
Internal UUID01a0ae80-4de8-7e84-b787-72dec376ea7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048602
StatusPUBLIC

Content hashes

Canonical text6a47e9e3756fc7eca5a4b45fddd7eeaaefc1ec000796f68eca575feb95c139be
Markdown5482f99f12e21215e89d66858e68470977e517d938e862bdda71a522edd89809
PDF
Publication page4d08f19258a37eeb7a5b01eeb681c8e7236c03fca41e35b8d7388e47a2f423b5
Manifest7d7bd26f55648bdf9a36144309832455cd8e9d05fc512849294e9c6c0b41b449

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
SignaturesOeoMm6EQcuG4EcNyYauI3AOLf6/qG35JBqbdhLaJIfc0jAWW0wBAhOfQAIK8tYyHsetVZ1vUlLcKlDWe93jCw==
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

2026-09-17T11:05:24.950259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048602
observed 4d08f19258a37eeb7a5b01eeb681c8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.929291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048602/manifest.json
observed 7d7bd26f55648bdf9a36144309832455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.907577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048602/publication.md
observed 5482f99f12e21215e89d66858e684709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.888900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048602/publication.txt
observed 6a47e9e3756fc7eca5a4b45fddd7eeaa...
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.