OpenTechnical

OT-2026-000063089

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-2026-000063089) never changes.

Identity and time

Publication numberOT-2026-000063089 · never reused
Internal UUID01a0ae8c-94aa-7884-8fc7-f598f77ae307 · 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-2026-000063089
StatusPUBLIC

Content hashes

Canonical text7ed3db72442a28935e714ea2a77c42c0ee68b3627adc1db5e77daf6989b7e93c
Markdowncc6267832dfdac4ff9397f799e45fd4b051eedb534c614e5dded1bd2a7a8e3f4
PDF
Publication pagee5a3981968f07a6278a1a80009497a69feac5b56d71769ccf4f93ebc446c8a2e
Manifest4231e691e2f1efa274e5ba25e423dd4eb24d64637c3826b1a465b276638a8800

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
SignatureVN6VB0ZWtI3+SQKGlfWhYL8Y0GbyCFHuBG11Sx0OeonGNcnlL/8OnwVGL/lM/Y+trGghglhmXmRG56/j3q/4DQ==
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

2026-09-17T10:38:51.663448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063089
observed e5a3981968f07a6278a1a80009497a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.645461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063089/manifest.json
observed 4231e691e2f1efa274e5ba25e423dd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.626541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063089/publication.md
observed cc6267832dfdac4ff9397f799e45fd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:51.609098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063089/publication.txt
observed 7ed3db72442a28935e714ea2a77c42c0...
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.