OpenTechnical

OT-2026-000025971

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000025971) never changes.

Identity and time

Publication numberOT-2026-000025971 · never reused
Internal UUID01a0ae71-a83f-7bad-a1b4-ae5931191836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025971
StatusPUBLIC

Content hashes

Canonical textc09a6904d64b27d963eeb7ba6b7ce9b03e860adb062bc266dc30090363b3c56b
Markdown241a6bb3dc350d21f173331d29e759dd8f452ba486baed0d75133b368f32dd1d
PDF
Publication page8f339a02c3baa2933145bc8d95e0de11ec9e812d88faae6ebff4d2c6d9cbbe3e
Manifest25ebfc03fc382b54f585e586fb2a6a29f10247304672183ff3b7b402eab8263d

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
Signature5tVqvzu3PAnrPzVc2PlzgygFh3RAQBuKr6tDNqK5FYe0aXGT7luNGAM5zzLgs7IczCWjDAjKKwiayAfiH+3bCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:20.349787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025971
observed 8f339a02c3baa2933145bc8d95e0de11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.333604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025971/manifest.json
observed 25ebfc03fc382b54f585e586fb2a6a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.315410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025971/publication.md
observed 241a6bb3dc350d21f173331d29e759dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.296008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025971/publication.txt
observed c09a6904d64b27d963eeb7ba6b7ce9b0...
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.