OpenTechnical

OT-2026-000085207

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000085207) never changes.

Identity and time

Publication numberOT-2026-000085207 · never reused
Internal UUID01a0ae99-43ba-7afb-b623-7f478ebddd5c · 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-2026-000085207
StatusPUBLIC

Content hashes

Canonical text017ed3a6be6679ce01e24bf805502e3369893804c00dab25731a27cddfd3ba70
Markdown5ba86a5bb966f7e77fbf69a3800dc334a8cf097de9a32afde9b0f35c7b327acb
PDF
Publication page992e74aef0ca9b056cbfef7e0f0b35ecbf2ca8bf18512d7c9a80855d1846964e
Manifestd52103079b4ce3d0e253490d75f00ac11e4473a0775c6d6fe2eacc96127ab5b1

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
SignatureSksqDv4r5l44UY62H1RUOIVcFS+jRzArtXTELxLxYF5eKnkFss2bgP4zgvGkO4h88JMMLmP1O3aXghdr0XehAw==
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

2026-09-17T09:55:18.050023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085207
observed 992e74aef0ca9b056cbfef7e0f0b35ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.033247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085207/manifest.json
observed d52103079b4ce3d0e253490d75f00ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.015259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085207/publication.md
observed 5ba86a5bb966f7e77fbf69a3800dc334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.996192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085207/publication.txt
observed 017ed3a6be6679ce01e24bf805502e33...
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.