OpenTechnical

OT-2026-000004927

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, plant vacuum fed, contact triggered

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-2026-000004927) never changes.

Identity and time

Publication numberOT-2026-000004927 · never reused
Internal UUID01a0a928-14d3-7ff1-b41a-3c99fd194870 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:39:31.414558Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004927
StatusPUBLIC

Content hashes

Canonical textb028537e621f23e5a849902f528e2f16cae0ba618d5f3c61e92fe3f6b674fdc2
Markdown715c20004f68c664be3e4ee30e9aa6194f9432892e07434c5a44f812410b1d6b
PDF
Publication page6539dcdaf391a75840ae207b92663a714c6c65fb627710e8ee4e815bee5cf25f
Manifest23e817133f8da5d56e7e835029d1fa9ad3ff5d565743a80208db5578e1b4f4d5

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
SignatureFJhRNcTqKzNAsVEaYqJdD98XBU4PagC9qllqDRio0TKuXQ1exe+63usHS4ezoDVo0WR4iNzzJudpwdHhLHJrCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:03.909197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004927
observed 6539dcdaf391a75840ae207b92663a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:03.895985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004927/manifest.json
observed 23e817133f8da5d56e7e835029d1fa9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:03.881332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004927/publication.md
observed 715c20004f68c664be3e4ee30e9aa619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:03.744793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004927/publication.txt
observed b028537e621f23e5a849902f528e2f16...
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.