OpenTechnical

OT-2026-000062085

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000062085) never changes.

Identity and time

Publication numberOT-2026-000062085 · never reused
Internal UUID01a0ae8b-b8b0-7f05-a720-fb56423ab3b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062085
StatusPUBLIC

Content hashes

Canonical text1005b04a3c68cb9db7a50c09a26bd74954df9b37ec32d508c8405c9d6a5454bc
Markdown25f8b8d225637a5c85b33bec4fd9b8dd81b47fe9bc790b8e05cb58ab87f25837
PDF
Publication page65bb60c788cee85e70619fd079f352130489abca50999afe8e910e96b1ff2d02
Manifest35c9ae46c905f29988fcbcf60c2fe47801728baaf18cf36752ee58dc4a04c95f

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
Signature2juwf4RYXcVxaoqfwRhYk1WTsLe5chmOI3Rgd5SZtuhRb7E0hFCQF4vbW+7Sg7R88/QXjTaAWd35oIYOKw1wDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:08.300575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062085
observed 65bb60c788cee85e70619fd079f35213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.281678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062085/manifest.json
observed 35c9ae46c905f29988fcbcf60c2fe478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.260825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062085/publication.md
observed 25f8b8d225637a5c85b33bec4fd9b8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.241811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062085/publication.txt
observed 1005b04a3c68cb9db7a50c09a26bd749...
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.