OpenTechnical

OT-2026-000093114

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000093114) never changes.

Identity and time

Publication numberOT-2026-000093114 · never reused
Internal UUID01a0ae9e-0910-7510-b6e8-b78764b93406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093114
StatusPUBLIC

Content hashes

Canonical text7fa142498b3e0969f92e1ddd4c13741ec5860ea38c0e2a859b475c8717c1676e
Markdown6b7eb62b59b7d18000817e721fa43060c48bc86d8274ca44073c1622b9789542
PDF
Publication page0e5515b99e07bc404b708fb25b1e07fcc941f2258f2122ea3e75be3c144281f7
Manifest7270240fb3ad5010efd584fec03f8cd9beb833d9855a1726c0cf3667d3739d05

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
SignatureOl9/terRc1EY5PZF8t8XaN7QqOinK/cETc497M6wiRzuqNh2+hlRoW3EW6O5iUmW2AaMQ/qP0+JGxEaGQrgDBw==
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

2026-09-17T09:40:23.908283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093114
observed 0e5515b99e07bc404b708fb25b1e07fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.890889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093114/manifest.json
observed 7270240fb3ad5010efd584fec03f8cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.871911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093114/publication.md
observed 6b7eb62b59b7d18000817e721fa43060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.853716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093114/publication.txt
observed 7fa142498b3e0969f92e1ddd4c13741e...
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.