OpenTechnical

OT-2026-000066813

Publication integrity record

Three cup vacuum gripper, three 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-2026-000066813) never changes.

Identity and time

Publication numberOT-2026-000066813 · never reused
Internal UUID01a0ae8e-ce43-7c7c-a89f-2222347ff1d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066813
StatusPUBLIC

Content hashes

Canonical textc34789eb32009658e0479a18c8101f15fc14203811f6fad4434eec1bea369fc5
Markdown3b56795dcb13d903143751c3dab893f3fe76e21eec0c334bc78b9de106600654
PDF
Publication page7353823d8e6e28942a779476f8d85e7d64f10df7d767850700ec8a9be90a7ba3
Manifest1b7ff0879d0f55862f578cd95b1c531017f3ff5a19642d724df7aeb841540150

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
Signature7PZjDLXewCk988aycH4wbxHdcE52N8mVLrwtGPu/ez4j0gyCVsmCV1Sh+j2uVfRBWX8HA2rdsRl7X9OkjdfiAQ==
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

2026-09-17T10:33:14.563442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066813
observed 7353823d8e6e28942a779476f8d85e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.545993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066813/manifest.json
observed 1b7ff0879d0f55862f578cd95b1c5310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.528642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066813/publication.md
observed 3b56795dcb13d903143751c3dab893f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.510761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066813/publication.txt
observed c34789eb32009658e0479a18c8101f15...
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.