OpenTechnical

OT-2026-000014457

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000014457) never changes.

Identity and time

Publication numberOT-2026-000014457 · never reused
Internal UUID01a0ae6d-b27b-7c48-bde0-fe8e67885b54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014457
StatusPUBLIC

Content hashes

Canonical text83a5dcdcc024cac53f346bcc21cedbcea17c0c93f5ee64e1b8512274e6ac12f5
Markdown0d03f5ec55ae697ac3987e49e54d95fb42844fe60e5e262a8cff104f412beb19
PDF
Publication page63c347980dd77f3c4878ed0a2e88380bee193d0f54e5751e48cc6b2640bde129
Manifest084047880f2dee0c82c3884f4ca59fc123464cda29738d0065665b92bb45f9a3

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
SignatureNf9CBmm3+YbbpWJph7/NWqFCKMQQ1u+CZWJjUs2pTP6Yy2AAVRz/50U3jxp1Kf7I9jmqPwJo1z60tpGVrThbBg==
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

2026-09-17T12:10:15.712824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457
observed 63c347980dd77f3c4878ed0a2e88380b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.690156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457/manifest.json
observed 084047880f2dee0c82c3884f4ca59fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.670038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457/publication.md
observed 0d03f5ec55ae697ac3987e49e54d95fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.649741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457/publication.txt
observed 83a5dcdcc024cac53f346bcc21cedbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.080181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457
observed 63c347980dd77f3c4878ed0a2e88380b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.060783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457/manifest.json
observed 084047880f2dee0c82c3884f4ca59fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.041204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457/publication.md
observed 0d03f5ec55ae697ac3987e49e54d95fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:20.021524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014457/publication.txt
observed 83a5dcdcc024cac53f346bcc21cedbce...
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.