OpenTechnical

OT-2026-000069353

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069353) never changes.

Identity and time

Publication numberOT-2026-000069353 · never reused
Internal UUID01a0ae90-b529-72bf-a64a-c74f000987d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069353
StatusPUBLIC

Content hashes

Canonical text28586c0dd95d85f06ecc29e2da7f4eb06c0bae1a1f24a0d5f37a50cb98bcfb4a
Markdownb954ba4fd2c98418057a96040235ae448795fa8e3781e3fb616befc346c6ed80
PDF
Publication page36beb3bc52a9504b97883ae67141dd7ce9a5582a7e8fdcf7dccca662cc9ebaa7
Manifestf5a62eb321b46d0bfd48e8f3ee5dedfd211763ecdd1e3f705ec39cb7e15979a1

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
Signature6QqRzQVzaoHCP7nXMx1SWMaEMWFIL9+rWn2o65i21ipRgZiYsUUrD04MNqnUy3Km4/iWrIuHS07t4Twx63pWDg==
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

2026-09-17T10:30:15.719816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353
observed 36beb3bc52a9504b97883ae67141dd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.701052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353/manifest.json
observed f5a62eb321b46d0bfd48e8f3ee5dedfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.682215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353/publication.md
observed b954ba4fd2c98418057a96040235ae44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.659899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353/publication.txt
observed 28586c0dd95d85f06ecc29e2da7f4eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.641304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353
observed 36beb3bc52a9504b97883ae67141dd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.623413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353/manifest.json
observed f5a62eb321b46d0bfd48e8f3ee5dedfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.604711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353/publication.md
observed b954ba4fd2c98418057a96040235ae44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.583924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069353/publication.txt
observed 28586c0dd95d85f06ecc29e2da7f4eb0...
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.