OpenTechnical

OT-2026-000052339

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000052339) never changes.

Identity and time

Publication numberOT-2026-000052339 · never reused
Internal UUID01a0ae83-e792-7c2b-a470-4d0c345da9d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052339
StatusPUBLIC

Content hashes

Canonical texte470301f63178f4d414688da2b2202303fefc7654c1482cccc741f8e6c1a021e
Markdownf63cef330a7a3ecf96236487e2c336b392d4e48d7c8d99259a770a00236d4ddf
PDF
Publication page52231bb65fea4e0d4e3e43ee6d4dd53d8d242ce11b5e8ebe3a38c5c4b9c16b2d
Manifest9aa3962e49aa2b3b1bc51a3ac1240be2f6d3e238b6edebbd696b15ba460a7703

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
SignatureykJ7vupPDjVU6JqqBmobm5sWyNu0xaI/LIhCWVHEzLpkMG3N/Qcmnzc0i+PWHExuQn/tVPwfKFMqEsAqKcO7Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:01.912220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052339
observed 52231bb65fea4e0d4e3e43ee6d4dd53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.895412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052339/manifest.json
observed 9aa3962e49aa2b3b1bc51a3ac1240be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.877131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052339/publication.md
observed f63cef330a7a3ecf96236487e2c336b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.858460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052339/publication.txt
observed e470301f63178f4d414688da2b220230...
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.