OpenTechnical

OT-2026-000056398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000056398) never changes.

Identity and time

Publication numberOT-2026-000056398 · never reused
Internal UUID01a0ae87-4bd2-725b-ace6-4a5455cb6dab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056398
StatusPUBLIC

Content hashes

Canonical text3e4d2c9c944e229f58fefdd57ed042ab68d6a3d84832fe21c33ff90c5a0519d7
Markdown51ccbd02524dfc9309628f5d4c642763432c79b227db351791f0f98fd38728d6
PDF
Publication page519d18332f84b3cd45a2c8e4e5f96a0f6cd90e4579204b85cc409dcdce8f384f
Manifest2f8e3c1f6fdb9298445c07f45a5910be6d6316bea9e06cb999feba73ac22bab6

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
Signature9dfzBhR3ngy2jIB8HbrU9pMfn7evDJaiPk4KsVsBzvt+qRkw+9uUIP0d6fU2YtZCT4UThJw+hEbiSghwH4+fDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:55.586405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056398
observed 519d18332f84b3cd45a2c8e4e5f96a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.569693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056398/manifest.json
observed 2f8e3c1f6fdb9298445c07f45a5910be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.553328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056398/publication.md
observed 51ccbd02524dfc9309628f5d4c642763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.536382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056398/publication.txt
observed 3e4d2c9c944e229f58fefdd57ed042ab...
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.