OpenTechnical

OT-2026-000063097

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000063097) never changes.

Identity and time

Publication numberOT-2026-000063097 · never reused
Internal UUID01a0ae8c-94aa-761b-8121-8400ebbca312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063097
StatusPUBLIC

Content hashes

Canonical text34d131030a24d0067854e9f0ec50e5ceb6bf84fb46488f42e2679d23bcd347d4
Markdown12dccfc581cfc4f6a6d840829e5be7e543229e52e63fd99891112fb273115128
PDF
Publication page7dcd95e7bd039e10a01c03637d45709b7c482530cfcb769f8743ceebaa12c495
Manifest8164dd9576567ccfb14e693247e60e0125ed9c238d8eec3169bd20c96fbbb729

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
SignatureD/+WkUbpd8uEmDhDzdpg17gr8aoVCJIS5cXcrLYU0Hu+jLYB1Xxry9YP3uFETM2HHKXau91lx6yP5wTJRofDBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:52.228648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063097
observed 7dcd95e7bd039e10a01c03637d45709b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.208316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063097/manifest.json
observed 8164dd9576567ccfb14e693247e60e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.190816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063097/publication.md
observed 12dccfc581cfc4f6a6d840829e5be7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.173220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063097/publication.txt
observed 34d131030a24d0067854e9f0ec50e5ce...
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.