OpenTechnical

OT-2026-000084400

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084400) never changes.

Identity and time

Publication numberOT-2026-000084400 · never reused
Internal UUID01a0ae98-5b62-7637-9aa2-8fbfb8331910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084400
StatusPUBLIC

Content hashes

Canonical text711bdfa7bf28ce18759cf7afa02fa37f6c467f81d452879070706239f0ca14c3
Markdown6eac5f274768cc201931dd0eddb012cc11071d5e7fc9795d5296bd7c3297252a
PDF
Publication paged4255b8285fe2f459efa57611cd4afe48d122beae78f038a9a012a701d56c2f0
Manifest212381cfcbfacfa5cf97e7e1953cbf4ef2ba2b5d853326f20980f28b0c4c1975

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
SignaturegGJVBpN3RvnFsGb2h52EfNe3lmqx5g19wrBEycALBAt1Tu6XhbRp/sV+IYKRhj3V5gRzvRx6aH3kqlUcSeAZCA==
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

2026-09-17T09:56:20.728662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084400
observed d4255b8285fe2f459efa57611cd4afe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.710007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084400/manifest.json
observed 212381cfcbfacfa5cf97e7e1953cbf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.693328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084400/publication.md
observed 6eac5f274768cc201931dd0eddb012cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.675992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084400/publication.txt
observed 711bdfa7bf28ce18759cf7afa02fa37f...
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.