OpenTechnical

OT-2026-000057090

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000057090) never changes.

Identity and time

Publication numberOT-2026-000057090 · never reused
Internal UUID01a0ae87-d5b8-78ea-a5b5-d14d556065e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057090
StatusPUBLIC

Content hashes

Canonical text933efe9069a76c0eb2c4d67c6eb6ad83d3e9564dc8424ab02f6dd4fc381098a7
Markdown04ccd209521cdbefc7e2c22797c36bee4af122b893bf7808e430f7917efd1c46
PDF
Publication pagea92f7b71bef4957fe01903a575f9b5a5952af07cf7e61964ccb6e8b627ba6a29
Manifest3588531e47cd2dc95d4c86d5620c539ced4ecd38322494b2cdd974963acc9d2e

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
SignaturebaLbFsgXLb6djbkmMqubp76iSXVVLO2puCe5V/IoSlmaaGLGdgBOSJYow6GHAXqWMSBZSxfaqjHfGKzpb8QHAQ==
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

2026-09-17T10:48:40.397096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057090
observed a92f7b71bef4957fe01903a575f9b5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.377975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057090/manifest.json
observed 3588531e47cd2dc95d4c86d5620c539c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.357671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057090/publication.md
observed 04ccd209521cdbefc7e2c22797c36bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.337636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057090/publication.txt
observed 933efe9069a76c0eb2c4d67c6eb6ad83...
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.