OpenTechnical

OT-2026-000075447

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075447) never changes.

Identity and time

Publication numberOT-2026-000075447 · never reused
Internal UUID01a0ae93-f201-7715-a934-ebc8df236f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075447
StatusPUBLIC

Content hashes

Canonical text2601e99660b678f51a292b255fcc5400a782f2dd1de7dc1111aa31d00552f9f4
Markdown6a1598103590cca2eebe28f79914c48bf6ada5356241c73fce99741c1cc6ef96
PDF
Publication page44bb17b02a575211e74d6ae6c7c2a9ce3431b91611cd41c0ae9c5e73854db487
Manifest7fc0980e09e9dbecb0f066a69632ca976df4e805bb9494dc409411d02ff87a07

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
SignaturesYeIjAk0OYXwG7NdXvfwsO0qLxI5hxrMb2TSILqz2e4VyTqldhGY8lKV3vevbKb0RrASpivWBeDpETr4R9q4Dw==
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

2026-09-17T10:17:41.003475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075447
observed 44bb17b02a575211e74d6ae6c7c2a9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.987249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075447/manifest.json
observed 7fc0980e09e9dbecb0f066a69632ca97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.968832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075447/publication.md
observed 6a1598103590cca2eebe28f79914c48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.948989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075447/publication.txt
observed 2601e99660b678f51a292b255fcc5400...
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.