OpenTechnical

OT-2026-000017545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017545) never changes.

Identity and time

Publication numberOT-2026-000017545 · never reused
Internal UUID01a0ae6e-76ca-7867-b5d0-a68be9aa7b3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017545
StatusPUBLIC

Content hashes

Canonical text5d8abbc0848ea5f61a7bcf85d2c1cd8fc2c5b5c08119a48f4505690b1e295989
Markdown09f2ba0b682ff3a96155df629ed9b9686739e7dbec1630670b517cb1252d3bb0
PDF
Publication page2b2cd3ff59a2fb25358799709c580bf18e9c7e19d7e3a6dc986a27cbf5d11134
Manifestfa646d9b645e62806d8bf8d275b339f4e84359a7b3d65612ee2bd9b484959bbe

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
SignatureyHeepTKc/l/+wWQg7cBpxO+0ft9xJ6hxyRXaXKzkuoB6bR3LNVAqPb/0MKVidiQh4kCYfxIkOpOPhjf7n77/Cg==
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

2026-09-17T12:02:42.584229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017545
observed 2b2cd3ff59a2fb25358799709c580bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.562578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017545/manifest.json
observed fa646d9b645e62806d8bf8d275b339f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.544391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017545/publication.md
observed 09f2ba0b682ff3a96155df629ed9b968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.527056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017545/publication.txt
observed 5d8abbc0848ea5f61a7bcf85d2c1cd8f...
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.