OpenTechnical

OT-2026-000011691

Publication integrity record

Foam pad vacuum gripper, 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-2026-000011691) never changes.

Identity and time

Publication numberOT-2026-000011691 · never reused
Internal UUID01a0ae6d-1940-7b04-ad06-3cb2695b52df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011691
StatusPUBLIC

Content hashes

Canonical textb09940d471fbe0985b3ea05e7501990d6ffb86b226eb778dedfaa4a628808399
Markdownbda91bd2920d16f6d6e6390a796b4017bd3ac1913a75d1385e49bcb30667b114
PDF
Publication pagee7ba617eb7c8e58a118cb11ff84771341e796786cf7615dc0877431486b5ab9d
Manifest684dd3a5745ef26779782d712a8203d5f1384fd3004ac1f62aeb5776fd0085b6

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
SignatureEiBI7ie8PHP6omyq3Mg0WpuaG+tC910x8XYFZpklAvTEryg7UL/BLiFIz3TOlRtxtLE2zV+LiVcxKXOjn6rvAQ==
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

2026-09-17T12:12:17.589388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011691
observed e7ba617eb7c8e58a118cb11ff8477134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.570958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011691/manifest.json
observed 684dd3a5745ef26779782d712a8203d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.551733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011691/publication.md
observed bda91bd2920d16f6d6e6390a796b4017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.532711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011691/publication.txt
observed b09940d471fbe0985b3ea05e7501990d...
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.