OpenTechnical

OT-2026-000012041

Publication integrity record

Three cup vacuum gripper, three 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-2026-000012041) never changes.

Identity and time

Publication numberOT-2026-000012041 · never reused
Internal UUID01a0ae6d-1943-72b6-bf25-40d090e0599e · 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-2026-000012041
StatusPUBLIC

Content hashes

Canonical textb14f4e18a4d219c3ad13e173bb4b79d47f8ce6be8f67be4de3a3d5911c5aeeed
Markdown7a74310259d4d3dc72aad2efb2600e244d3bb1aa44c65869384bb2a5851d7700
PDF
Publication paged4e30bc8a5436f19a9da7044aed6ac2749d250ee9e82b41f0ac15db4d5604062
Manifest4579875731d0534633f4e3e46d78deb6f9a9b162af9d0ab6045c8c32de7797ec

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
Signature2Udne/skWaD72tmxQGN7gUMgWH8Xpa4VFvfM4zEtxg2QkNlTAEEK2AOzv+tiiNQ7A+kvZ4hFay/OX3L0NLL1Ag==
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

2026-09-17T12:12:55.050944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012041
observed d4e30bc8a5436f19a9da7044aed6ac27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.029226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012041/manifest.json
observed 4579875731d0534633f4e3e46d78deb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.009979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012041/publication.md
observed 7a74310259d4d3dc72aad2efb2600e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.988617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012041/publication.txt
observed b14f4e18a4d219c3ad13e173bb4b79d4...
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.