OpenTechnical

OT-2026-000006551

Publication integrity record

Vacuum cup gripper, plant vacuum fed, contact triggered on the face

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-2026-000006551) never changes.

Identity and time

Publication numberOT-2026-000006551 · never reused
Internal UUID01a0a95f-23c1-7abe-a5c8-2fe93f28ead1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:39:39.716145Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006551
StatusPUBLIC

Content hashes

Canonical text2029435eaafb3fc7c4d3dffc2fdf4da4f9159bf51cf8c276ab99c7c130a0bbe5
Markdown9291b1a6bde78b52ebf905926ab79e10ee1cdc49e54f88b561ca9118ddd6f849
PDF
Publication page4e0066584d873f00e1c14d0ec69b9a1dc8b3dd08dcf2dcab4f77a3a65f5a5dfd
Manifest2784618bbc549cf19040931ed35881eb45e93a51d6037426705ff60da59f25be

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
Signature5YuIw9ELcmaDyshWVsLYB+gr2tclPxczEbnB42v3Dp9ikC+zX9t/m9oEwwmLg44h83HT6Qk52CM9oGYlplOJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:03.993799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006551
observed 4e0066584d873f00e1c14d0ec69b9a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.978448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006551/manifest.json
observed 2784618bbc549cf19040931ed35881eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.963983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006551/publication.md
observed 9291b1a6bde78b52ebf905926ab79e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.949968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006551/publication.txt
observed 2029435eaafb3fc7c4d3dffc2fdf4da4...
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.