OpenTechnical

OT-2026-000016389

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000016389) never changes.

Identity and time

Publication numberOT-2026-000016389 · never reused
Internal UUID01a0ae6e-2d12-7688-b33e-5128abd82f46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016389
StatusPUBLIC

Content hashes

Canonical textfed4ea6a293f50507d94e0e313e7dc313e5737a9b86d18ecd6108b792a1025a3
Markdown5b46eae74eb0c94a08a8d0e672106fe5793426619701001edcc0a3965df84b07
PDF
Publication page6d24ef4887b2a76e8b17a3f31b79f22cf382106c0c56415d171716ec99e93c23
Manifestb7b53fabfd3f993d6667dc4ee9332ef48279a5e49a4b456f2ef5707ae5a0194c

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
SignatureVyB+x15uffeD4Bc4cIxrjHa3nTNbSGVBLmmQm3kDDWCx8tvyP6ar85rHl5L1Iuvv9M2b5jnZt9b+yMJ0ndquBw==
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

2026-09-17T12:04:28.187863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016389
observed 6d24ef4887b2a76e8b17a3f31b79f22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.167511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016389/manifest.json
observed b7b53fabfd3f993d6667dc4ee9332ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.148737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016389/publication.md
observed 5b46eae74eb0c94a08a8d0e672106fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.128978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016389/publication.txt
observed fed4ea6a293f50507d94e0e313e7dc31...
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.