OpenTechnical

OT-2026-000052946

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052946) never changes.

Identity and time

Publication numberOT-2026-000052946 · never reused
Internal UUID01a0ae84-a430-7871-8b11-5bde8406e4de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052946
StatusPUBLIC

Content hashes

Canonical text16431a8d4f03488e5d5e3f43c2628bd8a3f6b72cab96e81e99eb69ed97299f08
Markdown0d0f1238892164eb9782f8d808cd2ce9d3e0bd9e21482895d1856af61a963046
PDF
Publication page076372f6b1a4e0b75a62c9e3308ccf391965fedc3b4fc068f39f69486b31c726
Manifest464285bee5188c4d1f031268ac6ac1065eb917678c75aaf6055114a08224807f

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
SignatureOu1XS7yD2R+yG7qzuaZFWnSUoAFXfdUqdwbpmRMe2Ak3BAK+Is1DOhdtDeCrqecZw2JWCqE6FSccYzfdSKEXDw==
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

2026-09-17T10:56:37.656128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052946
observed 076372f6b1a4e0b75a62c9e3308ccf39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.639329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052946/manifest.json
observed 464285bee5188c4d1f031268ac6ac106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.621346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052946/publication.md
observed 0d0f1238892164eb9782f8d808cd2ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.602094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052946/publication.txt
observed 16431a8d4f03488e5d5e3f43c2628bd8...
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.