OpenTechnical

OT-2026-000085237

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000085237) never changes.

Identity and time

Publication numberOT-2026-000085237 · never reused
Internal UUID01a0ae99-43bb-7478-8641-564e8a72bff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085237
StatusPUBLIC

Content hashes

Canonical textb02c55b09a9d86387b6eca2c3a094316cb20fa0b5d58a70c5d8888b485389e67
Markdowneff3b3b4791fd56a473c13690bbf0904ef33428d655b5ccb9e89e9e0340493de
PDF
Publication paged7ef7282a2d0cea7d30e728f798e56499ef51cc4d513a375db7021aa37219d92
Manifest3063b5f03ada3877cddda8842ec551350ced80ed6392d86f504bc69ddc52f599

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
Signaturem0GzqqIIQsrZIBHhBy4QHBcWa0xplBVy6QWJF5VTcJOZL/URbWdnH5z/nZ01o8DwHgGtuy6MTEoWebqJVnHFAg==
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

2026-09-17T09:55:20.187127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085237
observed d7ef7282a2d0cea7d30e728f798e5649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.169585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085237/manifest.json
observed 3063b5f03ada3877cddda8842ec55135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.152332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085237/publication.md
observed eff3b3b4791fd56a473c13690bbf0904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.135475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085237/publication.txt
observed b02c55b09a9d86387b6eca2c3a094316...
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.