OpenTechnical

OT-2026-000064009

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064009) never changes.

Identity and time

Publication numberOT-2026-000064009 · never reused
Internal UUID01a0ae8d-53bc-702f-a027-242c2222f733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064009
StatusPUBLIC

Content hashes

Canonical text42c2bc75eeaa6186389a02c82806b073949ae725c8d300e07640d6f053fde5d9
Markdownd930ee6f85f54642e1ac22a204c7fef44d2334386fff06de22ad507fcfce45da
PDF
Publication paged6742cb368c0f76d0decda1dc1c2a90670ae260b7e34a58b4ad1025af7be0573
Manifest91b1ed5a8a2b0b93a28ddc7a97bc655c97e18f5008b6438203abe0dbdc74353a

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
Signature3GNdZUCAT6VdQkWlS/uJFG6pzRBnCQFYX4fCvECKIAv+oiFpM2Nz7H7jvLZDWc5vNL3+xYHv4swSdVhQD8iBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:05.323943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064009
observed d6742cb368c0f76d0decda1dc1c2a906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.303405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064009/manifest.json
observed 91b1ed5a8a2b0b93a28ddc7a97bc655c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.285039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064009/publication.md
observed d930ee6f85f54642e1ac22a204c7fef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.266913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064009/publication.txt
observed 42c2bc75eeaa6186389a02c82806b073...
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.