OpenTechnical

OT-2026-000057841

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000057841) never changes.

Identity and time

Publication numberOT-2026-000057841 · never reused
Internal UUID01a0ae88-6ed8-7c9f-af26-d83938cb3c71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057841
StatusPUBLIC

Content hashes

Canonical text291e5435c6764b8fbd94edb9e6bea1936b35cad391adc402b28533c1d6937247
Markdown22bd67d821d0233bec1c6233bcb4cb6351192a72254a095c95a2a1fcb40ffe15
PDF
Publication page877ef8666258de823680aa4d52c917c39daaf9c250d5bf158c5182420ad40b69
Manifest19758c35e9f6839225434255ffdac7f35b4414789a6008c110a4d3e1cd89b5eb

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
SignatureT/bJ1nRS/WABArAGzfvu8lzX+sj+HrMK/ku8OsrQuZu3fV3sXmA2mi+dKd7LIA8Gm30W61hjWVk7RUmP5A5NAg==
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

2026-09-17T10:47:25.091006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057841
observed 877ef8666258de823680aa4d52c917c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.073960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057841/manifest.json
observed 19758c35e9f6839225434255ffdac7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.056230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057841/publication.md
observed 22bd67d821d0233bec1c6233bcb4cb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.037897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057841/publication.txt
observed 291e5435c6764b8fbd94edb9e6bea193...
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.