OpenTechnical

OT-2026-000014917

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014917) never changes.

Identity and time

Publication numberOT-2026-000014917 · never reused
Internal UUID01a0ae6d-d095-728a-864e-eed51bf421e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014917
StatusPUBLIC

Content hashes

Canonical text423b5ad2896cb01323d0ffd35a86d56f83e4bcbb4c54db65638746150b0ca0c9
Markdown43a1b86e7ae8654d312a3b97f74e9ea8f2abb450c3f4fcc19fec3a03d308022c
PDF
Publication pageae7ddead6d43847c000f430099af33f2d8315b142d8e94d2fd3d8fccf8ec7579
Manifest6583237a2d59e5a3f61e43810b7e173881fdffe60f162beb2006511ffefa7f87

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
SignaturedGdCnzc2T3Iw949UuPdRsQEj1oBEOXM9e/eX4N6Ya7H//vFRbyraQNd4VJcsdynnQNiiV2cN6kSUm2bMnR0eDA==
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

2026-09-17T12:06:51.315407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014917
observed ae7ddead6d43847c000f430099af33f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.297116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014917/manifest.json
observed 6583237a2d59e5a3f61e43810b7e1738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.278174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014917/publication.md
observed 43a1b86e7ae8654d312a3b97f74e9ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.260016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014917/publication.txt
observed 423b5ad2896cb01323d0ffd35a86d56f...
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.