OpenTechnical

OT-2026-000100564

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100564) never changes.

Identity and time

Publication numberOT-2026-000100564 · never reused
Internal UUID01a0aea3-66f1-7e14-99fe-13e688d992e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100564
StatusPUBLIC

Content hashes

Canonical text95665998d64607170d77e82a54aed35b3a449797048faac371f9ddbc1a8f09ba
Markdown5b217b813f72a98431741ffb6b9eb4e59e6d2ae2ff2017354b4a120dd93377a6
PDF
Publication page57c62fbaffc64cb2e7ff0470bc2fd57730024add6ad0892f6ce5ac46f7c04409
Manifestd7d9b69cd7eeec9f4bf3e77ab6afd5f1fbc1e384cd6416a20575843192d1ef94

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
Signatureofxw5t8jZaw6ywfw50Owxj/ufI0iYYbzxAs5GF71NqI9QEj3fWtBbTpWvOnbKs8iMECKMyPhUHSoyWXzJzRnAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:20.459071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100564
observed 57c62fbaffc64cb2e7ff0470bc2fd577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.440553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100564/manifest.json
observed d7d9b69cd7eeec9f4bf3e77ab6afd5f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.422111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100564/publication.md
observed 5b217b813f72a98431741ffb6b9eb4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.403960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100564/publication.txt
observed 95665998d64607170d77e82a54aed35b...
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.