OpenTechnical

OT-2026-000062066

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062066) never changes.

Identity and time

Publication numberOT-2026-000062066 · never reused
Internal UUID01a0ae8b-b8b0-7ddd-a6d1-09747518005e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062066
StatusPUBLIC

Content hashes

Canonical textc40c710a8135a45d5a2f55a294e01b0548a22d738fa0fbf580155d7c2890d695
Markdownb2ad54bf68bb7278a18b80f2c6cf2aeae0cc488ec0c10cc71d80acad2a45350d
PDF
Publication pagefd5ad49637f74ac22601c99a4476b0d370a66ee503aea364b34f93328bd98ec8
Manifest96528c5f4f3d5d45673f5f708e6278c4c6e6fa2b4c92e59df7d3547887c03e37

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
SignatureSWvgijahRNogxXXYYbGva/3cdpFIH1rkZnbSAJpNz6XCkicu9ke0tyG+GJX0ad0TXFWgyrAZG5W79+hibbwzCQ==
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

2026-09-17T10:41:06.798884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062066
observed fd5ad49637f74ac22601c99a4476b0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.780288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062066/manifest.json
observed 96528c5f4f3d5d45673f5f708e6278c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.759865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062066/publication.md
observed b2ad54bf68bb7278a18b80f2c6cf2aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.732362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062066/publication.txt
observed c40c710a8135a45d5a2f55a294e01b05...
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.