OpenTechnical

OT-2026-000006656

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered, vented after set down, rubber 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-2026-000006656) never changes.

Identity and time

Publication numberOT-2026-000006656 · never reused
Internal UUID01a0a962-e291-74e1-a85d-2e2d65a28e49 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:45.172175Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006656
StatusPUBLIC

Content hashes

Canonical texte4154065c4eeeae272f05f5d9eb019f8d4b032ed496db69d159c0f4e5af968d2
Markdown24e4a559c82542f10a4e3081deb3f8d78f4a7fe67a76a8f2e4898f518a33a08a
PDF
Publication page365b22d4e703e59eb3dbc13b9f1a36046804358e32c7d7552c159d6d547b06d2
Manifest9052a407855cee808b6a94dd038cc05e2d33fe1e6e34dda4b88039de06505203

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
SignatureJ7O4/CNeEHAVdMPpTTs0PBgd9R0rVSU0ujpqfNAXdYz0t5vkLvGEWM2+dMikqHcFhx9ANUkGD25WKEIuIK4DCw==
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

2026-09-16T08:50:20.648905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006656
observed 365b22d4e703e59eb3dbc13b9f1a3604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.637333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006656/manifest.json
observed 9052a407855cee808b6a94dd038cc05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.502905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006656/publication.md
observed 24e4a559c82542f10a4e3081deb3f8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.489825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006656/publication.txt
observed e4154065c4eeeae272f05f5d9eb019f8...
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.