OpenTechnical

OT-2026-000013714

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013714) never changes.

Identity and time

Publication numberOT-2026-000013714 · never reused
Internal UUID01a0ae6d-8de8-7f0a-b5f6-47ed750f871d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013714
StatusPUBLIC

Content hashes

Canonical textb6a76f36f96982da7573fd7d64a13c8f67a7a203acbce86e9c0f4d3050439b6d
Markdowndec201f72c4dc1ddcb295ecbc94cedd54a0d2bed42a82a21d3ea2ecd2508a49d
PDF
Publication page5d9ef2cc2e294ac0551dbe34e611bd96a90eac9cca7f7526bc1761cfa0bfb9e7
Manifesta8fc8d1f3b46aeab4b1a87cb6fd7a90d8b909a2ed81449a66b23653153c760b3

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
SignaturermvGDJTyoYmMBZw+QkbD/Y5J8cdyeDmFk6e7DJtaUF0RY1tRbYMyufQ5YjESp4Kn/fWztYVFP0UluDbSoRaQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:08:40.523467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013714
observed 5d9ef2cc2e294ac0551dbe34e611bd96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.503101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013714/manifest.json
observed a8fc8d1f3b46aeab4b1a87cb6fd7a90d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.484242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013714/publication.md
observed dec201f72c4dc1ddcb295ecbc94cedd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.462193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013714/publication.txt
observed b6a76f36f96982da7573fd7d64a13c8f...
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.