OpenTechnical

OT-2026-000016949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000016949) never changes.

Identity and time

Publication numberOT-2026-000016949 · never reused
Internal UUID01a0ae6e-591a-7213-87fd-0494eadbd45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016949
StatusPUBLIC

Content hashes

Canonical textccd89741e6515d47e2d0405f446aceaf979cc4d0a3426659032114afe8b4f46f
Markdown1bb63178a7bffa53fd3c3809e79dec8afe99909a378e60a4da6c489338fcd780
PDF
Publication page06c2f69589ae57278bc89c51b762bee472a9d3d5f02bd16ed9084e8abae559dd
Manifest0ec2c6dbb7bce020bd1c8164b54df9a4083efec1605f9cfd18704a0d8a77733e

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
SignaturezNNzyX4kH5ChvKPqjMpgbm7BDh5U5NSrlr9+/z7Qd98qE8a9LK/tRP6l2XPp+hoI84lCfRQFar5HT7ZYVQzlBg==
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

2026-09-17T12:03:14.118286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016949
observed 06c2f69589ae57278bc89c51b762bee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.103143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016949/manifest.json
observed 0ec2c6dbb7bce020bd1c8164b54df9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.087413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016949/publication.md
observed 1bb63178a7bffa53fd3c3809e79dec8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.071351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016949/publication.txt
observed ccd89741e6515d47e2d0405f446aceaf...
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.