OpenTechnical

OT-2026-000069349

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, 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-2026-000069349) never changes.

Identity and time

Publication numberOT-2026-000069349 · never reused
Internal UUID01a0ae90-b529-76d6-812e-45ba26db4992 · 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-2026-000069349
StatusPUBLIC

Content hashes

Canonical text279dabc8a0325592a412fb16b3d5d1780122c6a8b35362a906d838b7c459d174
Markdownff0a240f1410ea80ef49147d1919578d0541dac153bb99117af9a8d0c3324a4f
PDF
Publication page1f28a7b00af7cca77d9c0b7d1e47f8de2582ef81531c9b073c9d29102c2f8f42
Manifestb5895b3173d15946e0b6c08e56322e6ecdfbf8ce1c6007580ea09edbc3976b1a

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
Signature9LOfQJAq/UgBAQkPJPHSvbPZLycFYNMUKoxHZNfkPYHSM/0FQHzly6KIvUFQxQYDVaUnd++4JEoIyB1InYIpAg==
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

2026-09-17T10:30:15.393930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349
observed 1f28a7b00af7cca77d9c0b7d1e47f8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.377303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349/manifest.json
observed b5895b3173d15946e0b6c08e56322e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.355238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349/publication.md
observed ff0a240f1410ea80ef49147d1919578d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.336087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349/publication.txt
observed 279dabc8a0325592a412fb16b3d5d178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.331868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349
observed 1f28a7b00af7cca77d9c0b7d1e47f8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.314147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349/manifest.json
observed b5895b3173d15946e0b6c08e56322e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.298290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349/publication.md
observed ff0a240f1410ea80ef49147d1919578d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.280818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069349/publication.txt
observed 279dabc8a0325592a412fb16b3d5d178...
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.