OpenTechnical

OT-2026-000063077

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000063077) never changes.

Identity and time

Publication numberOT-2026-000063077 · never reused
Internal UUID01a0ae8c-94a9-76a7-aa5c-049660928a7d · 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-2026-000063077
StatusPUBLIC

Content hashes

Canonical text44308569a26f6dffc79f4f838da1e27ddc6031735eae32b847ba47e522b4042d
Markdown8a925064f31eef3e30e314c6aaeedb9eb4cd5aa310bba00808faaa3ba8fc7c3a
PDF
Publication page12fb9bea8742509d4a147db6cef6c20105c534b513d34eb6be5fedd91188502e
Manifestf8b923377afb36f3d07e9bcc75d1f7e6da41cc79819d6885e8c6e3168648eba1

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
SignatureiWAD5FBujzyiHXRkUCk+w83zFDjMq3Y64fDLLbKYMxheo3fiaBS1G6W7niaorxUyUuym7bnv+wIHl4t+cYPcAA==
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

2026-09-17T10:38:50.755891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063077
observed 12fb9bea8742509d4a147db6cef6c201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.739474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063077/manifest.json
observed f8b923377afb36f3d07e9bcc75d1f7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.721996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063077/publication.md
observed 8a925064f31eef3e30e314c6aaeedb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.703814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063077/publication.txt
observed 44308569a26f6dffc79f4f838da1e27d...
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.