OpenTechnical

OT-2026-000006757

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, contact triggered, 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-2026-000006757) never changes.

Identity and time

Publication numberOT-2026-000006757 · never reused
Internal UUID01a0a966-606a-7ce1-b243-795e555b13e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:33.997434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006757
StatusPUBLIC

Content hashes

Canonical texte041b81ca104274fb1c994aad622ed5b2b5294094975726709f55d219425c159
Markdown65c8cffaeb788b0b570f7dbc26361bcb8da132a0613ecb8960a697af2a83f6fd
PDF
Publication pagec036808b1b31286621ea34a709d0588fa35f971f2f72cce6786ea63408bb7154
Manifest0d2f92eea4674fce91957cae38df0b2f0f4d39395da6252f8a2e33dce7e9c986

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
SignatureIwj/tURQEMuPLnhT8hcuPhQSJE7D/K+m2EignmflA7UFGpOL0gAsSd/16XNXxrBd04a7T1uc/R0QRV+iJCM0DQ==
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

2026-09-16T08:50:09.703773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006757
observed c036808b1b31286621ea34a709d0588f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.691235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006757/manifest.json
observed 0d2f92eea4674fce91957cae38df0b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.678104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006757/publication.md
observed 65c8cffaeb788b0b570f7dbc26361bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.664594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006757/publication.txt
observed e041b81ca104274fb1c994aad622ed5b...
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.