OpenTechnical

OT-2026-000066975

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066975) never changes.

Identity and time

Publication numberOT-2026-000066975 · never reused
Internal UUID01a0ae8f-14fe-7fdd-81bb-0f9cf7534d7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066975
StatusPUBLIC

Content hashes

Canonical text65f7f0b6ce082a91c53953aebfe830a1967c471d85843105faa8d81f25fe20d3
Markdown15a6d78f26d1f65a80b6ff63faeca29b8a1ac0fb840fe54a62554087bf2d024e
PDF
Publication pageea7634956401c4bdff1d7d02726b83998aa24223be0e60bae07b9beb64171a3c
Manifest4932c2c62e82839a8a0ee83ed1a8d4050110bdfeb25383eaa1cf94af37af5d1f

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
SignatureqLd7cfmxkxpcvRwoytnw5957CIIPDoRnuBoGyjTjkVYfYD3SBnyLtGqPQ5SsW4pqBjLgPSz9MvWMlYU/Fc7OAw==
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

2026-09-17T10:32:11.835920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066975
observed ea7634956401c4bdff1d7d02726b8399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.817218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066975/manifest.json
observed 4932c2c62e82839a8a0ee83ed1a8d405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.798441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066975/publication.md
observed 15a6d78f26d1f65a80b6ff63faeca29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.779054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066975/publication.txt
observed 65f7f0b6ce082a91c53953aebfe830a1...
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.