OpenTechnical

OT-2026-000066651

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000066651) never changes.

Identity and time

Publication numberOT-2026-000066651 · never reused
Internal UUID01a0ae8e-ce42-786c-b2f4-788e2366a9a3 · 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-2026-000066651
StatusPUBLIC

Content hashes

Canonical textedba70e5e76725a76fa38ec46bedcd06e663a3752b7ae4cd7b350e027475b6a5
Markdown8d95915ada9f04a321c1dc2b191e99c8bf2989844d288f47573dc3a040a3c5d8
PDF
Publication page345a8893b2e16a8f210367a56cb46173bcf82b7bb75c5e11485f50eafd321ef1
Manifest892334913632129fd6fd0e3947aa8d9b4c22a96ecf92b0f71a8ecf992dd70b1c

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
SignatureKSGFRQhtV87g2rCk4B0MajFnNqxPeWowLzJrjNpjTeU5vsiRunsokrt8Z+FBeb+vibnh3SdgJEXwUespIPSMAQ==
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

2026-09-17T10:33:02.180476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066651
observed 345a8893b2e16a8f210367a56cb46173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.163012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066651/manifest.json
observed 892334913632129fd6fd0e3947aa8d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.144943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066651/publication.md
observed 8d95915ada9f04a321c1dc2b191e99c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.127324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066651/publication.txt
observed edba70e5e76725a76fa38ec46bedcd06...
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.