OpenTechnical

OT-2026-000006941

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, contact triggered, polyurethane cups, flat form

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-2026-000006941) never changes.

Identity and time

Publication numberOT-2026-000006941 · never reused
Internal UUID01a0a96d-1134-7efd-bdb0-8cbcd352e80e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:52.470861Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006941
StatusPUBLIC

Content hashes

Canonical text7b8990683f99356ac5784c1daf290b207581f81f758e2f86f00e934757d98be5
Markdown32588cb5ea79dc66265e87de952c2751f7dfa18b8569ddc242e0864a60fc13ed
PDF
Publication pagef5c960c9b67f95047dddef21cc877bdaf68baa1d5c79b1bc576102a38b3589f5
Manifestc078729f179bd8f025bba87141079dabd5777957f01b8992adb8b7b755d7a373

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
SignaturexExy9QNiFDjWGbIsKNEthIDeSix1ujXDhtQJEykxCQbuZ6RKvtUPei24dPZc66h3S9uc07t5M5cygIeIv8c3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:19.666741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006941
observed f5c960c9b67f95047dddef21cc877bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.655518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006941/manifest.json
observed c078729f179bd8f025bba87141079dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.642843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006941/publication.md
observed 32588cb5ea79dc66265e87de952c2751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.627434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006941/publication.txt
observed 7b8990683f99356ac5784c1daf290b20...
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.