OpenTechnical

OT-2026-000006589

Publication integrity record

Bellows cup vacuum gripper, plant vacuum fed, vented after set down, plastic cups, two fold

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-2026-000006589) never changes.

Identity and time

Publication numberOT-2026-000006589 · never reused
Internal UUID01a0a960-8d11-786c-953d-c1a668ff7928 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:12.212038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006589
StatusPUBLIC

Content hashes

Canonical text349cb40c8e4f9c61aac45a9ca7419ce6387b7b5ae30abe4a619d698df72a638a
Markdownda13b25d02d9be728dc9c77ec36d19fb3fbdc9ccce1d56a6d8de75fd918f6c08
PDF
Publication paged8df54af4826946c29a42ad5b4563814764bafdcbc0bda8a5586ed6c68267deb
Manifest9bd680f070113422cf857889d1184176b5451160305daf2b5cad6b3deda0d2ea

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
Signature+4yXusrXMewHQpq6A0pYNyVpKqf712zy3zABdX77/VZeW+hH5Ah/S3Kf46PPYum1Np3ckaW0Br+wEyl5hbWBBQ==
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

2026-09-16T08:50:27.884676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006589
observed d8df54af4826946c29a42ad5b4563814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.752585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006589/manifest.json
observed 9bd680f070113422cf857889d1184176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.740340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006589/publication.md
observed da13b25d02d9be728dc9c77ec36d19fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:27.728689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006589/publication.txt
observed 349cb40c8e4f9c61aac45a9ca7419ce6...
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.