OpenTechnical

OT-2026-000068435

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000068435) never changes.

Identity and time

Publication numberOT-2026-000068435 · never reused
Internal UUID01a0ae90-2481-7c8d-b695-cee9d028c011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068435
StatusPUBLIC

Content hashes

Canonical text4fcc89f947d8dda282e4e3cd0bcca348fec85270f5b1273259286fb7aee37d9d
Markdown747776e13f07b2c87b6dee296b9d045a479ecb00b3e4bca37eabf78a3e882322
PDF
Publication pagec6d1853bcb1e1204138a700afdd657db58cc5e578d6e208040bba357d49573a2
Manifest8773428b03375f03e13733e21819f9cfa924b3b5f7a1bcbb56797f5be7c574c4

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+ylVYBsgJSmgt1U9AI+ouhpIAPFzGFSCWZV34U2a3XVjF6k2WWEQJerXABNczhQNJGY9lggn0yikSZhdb2RgDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:34.749210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068435
observed c6d1853bcb1e1204138a700afdd657db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.731752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068435/manifest.json
observed 8773428b03375f03e13733e21819f9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.714775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068435/publication.md
observed 747776e13f07b2c87b6dee296b9d045a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.697235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068435/publication.txt
observed 4fcc89f947d8dda282e4e3cd0bcca348...
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.