OpenTechnical

OT-2026-000058725

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000058725) never changes.

Identity and time

Publication numberOT-2026-000058725 · never reused
Internal UUID01a0ae88-f39e-716a-a3d2-cd7489d9e32c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058725
StatusPUBLIC

Content hashes

Canonical text3a67098190bc4e31448eebc7e6b0f6c40f5426c02dd7ca3df80db622e1f441a7
Markdownd509e7b90b6f6329688916e3f4114c9faa78184904850a00be29df6233769099
PDF
Publication pageeb3f7687814f044ea8ee65e43c13c1dadfc8131ba3b524704cf7a3b14f3a1da7
Manifest2451e928853fcaad73013da2106df46dd62589121bd765f434da1074f1c5aa35

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
SignatureWjiUGoZiHOSL12oZ/qYE5q2eyHh+uXa8j6sOI3JI6z6kxuy+MII8Pp+YPQ2SDGk+SCUe4/AzKLJCLsCdBtzHAw==
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...

Independent retrieval

2026-09-17T10:47:15.433369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058725
observed eb3f7687814f044ea8ee65e43c13c1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.416347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058725/manifest.json
observed 2451e928853fcaad73013da2106df46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.399327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058725/publication.md
observed d509e7b90b6f6329688916e3f4114c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.382514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058725/publication.txt
observed 3a67098190bc4e31448eebc7e6b0f6c4...
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.