OpenTechnical

OT-2026-000018569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018569) never changes.

Identity and time

Publication numberOT-2026-000018569 · never reused
Internal UUID01a0ae6e-b48b-7040-bd54-bb4269c40130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018569
StatusPUBLIC

Content hashes

Canonical text70acd126cdd7b81fec17867d2608b4ac88f6c1a8ab61a0d9b978e2d8939a90e5
Markdownd7a42361ee45ffd0817f4188a67870b217d7c13dc9fed19fe7c86f7aa24d7c08
PDF
Publication pageeb4072e0733c9fb18eba7d4631e5cf10f8c9e60b0c5f0d70e755d3db6c3151f0
Manifestd648af76f8c2aba045a7d5f15f8f9a306da8cf7de64d08390860c99326c13c2b

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
SignaturezS3tLo09ddJG7vwA/rPyMbPLWyWwKNJUT+/KM38lN8V6lGU0QuvqOY8vQuMz1fX5XRWRoVMRLoUZU/StE/AsBw==
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

2026-09-17T12:01:22.264234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018569
observed eb4072e0733c9fb18eba7d4631e5cf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.247621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018569/manifest.json
observed d648af76f8c2aba045a7d5f15f8f9a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.230579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018569/publication.md
observed d7a42361ee45ffd0817f4188a67870b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.214056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018569/publication.txt
observed 70acd126cdd7b81fec17867d2608b4ac...
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.