OpenTechnical

OT-2026-000025970

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000025970) never changes.

Identity and time

Publication numberOT-2026-000025970 · never reused
Internal UUID01a0ae71-a83f-7cc4-8629-baa7d56041f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025970
StatusPUBLIC

Content hashes

Canonical text4c92a2f1ee4e28a57ce78f25bf57a39b39618107be63b205a6d9fd7a7695a64f
Markdowna894668a5dc59661f9193ba9308186a9de59ee324282977d5c03d870ab9f8736
PDF
Publication page29eef47d54828a50d8c3cec9feab8ebc35fd5e4a272ca5167a6e4332fff7e88a
Manifestb7cdaf43cbc70b420ae7de673c3b16313bfc3255de7419d8dd501000606002e0

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
SignatureB+KWh1uyVThrnkWvbHA29G4A7569Oyg7QoRJ7KQpRG1VmH6cC7SyJAzH6qqptigEplbjdiB5Jb9udJht7xF4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:20.275774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025970
observed 29eef47d54828a50d8c3cec9feab8ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.256008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025970/manifest.json
observed b7cdaf43cbc70b420ae7de673c3b1631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.237399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025970/publication.md
observed a894668a5dc59661f9193ba9308186a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.218208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025970/publication.txt
observed 4c92a2f1ee4e28a57ce78f25bf57a39b...
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.