OpenTechnical

OT-2026-000037749

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000037749) never changes.

Identity and time

Publication numberOT-2026-000037749 · never reused
Internal UUID01a0ae77-b8d0-77be-8d44-c1a78883b7c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037749
StatusPUBLIC

Content hashes

Canonical text7d8bfeda524a20d650090f89e2aa94581903426ceda63940af90c04c4721f2f7
Markdowne61333aa0eba6bc3d4338184a01612c5e88c5fd0b862139a9eece397225eb7b3
PDF
Publication pagede4424e46ba6655d9816f990d9e546269490a18b2d61f0752fdf0af38c5651a4
Manifesta5c55157309e4c2d3e677f842f37bd8f727ccee1fe894fbba9af5fea7e7ce3b7

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
SignaturetisuzVq38q/x2NcOYvOol3gC9M5J5hrbXkd3DGLi5efS03JqYGqIsnpyK2tO/uJRBhpzG2gqhGm/8iP8r+vjBw==
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

2026-09-17T11:24:20.682153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037749
observed de4424e46ba6655d9816f990d9e54626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.666153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037749/manifest.json
observed a5c55157309e4c2d3e677f842f37bd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.648843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037749/publication.md
observed e61333aa0eba6bc3d4338184a01612c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.631464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037749/publication.txt
observed 7d8bfeda524a20d650090f89e2aa9458...
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.