OpenTechnical

OT-2026-000075593

Publication integrity record

Four cup vacuum gripper, four 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-2026-000075593) never changes.

Identity and time

Publication numberOT-2026-000075593 · never reused
Internal UUID01a0ae94-29fd-76fa-bc9e-981bcd21ae68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075593
StatusPUBLIC

Content hashes

Canonical texted6111ea86aed2b9be6faecb554d735f560ede435a8effecd75ebd5dd7baa50b
Markdowne48bb58b2c74ef7d15ecc656a889551429922eefafb98ae7337d81f3d2a73b57
PDF
Publication pagec995fa5d475d8bfa1f74e120926c1e6d3e31333ba616e5aa60379ebed5e77aaa
Manifest551327c17bb512724d88a954cb8913c9e0528d4e54e03f56f9fb1f7d3b2fbef3

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
SignaturesIt9Wjxd/tW3CW7Uza4VvO854zTWNaNKCP2pyyiOiX0n9E9tV5yTHOujp17etAS2t+QELPOKM+1BBB61+UxfDw==
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

2026-09-17T10:13:14.972388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075593
observed c995fa5d475d8bfa1f74e120926c1e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:14.953605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075593/manifest.json
observed 551327c17bb512724d88a954cb8913c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:14.807918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075593/publication.md
observed e48bb58b2c74ef7d15ecc656a8895514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:14.788561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075593/publication.txt
observed ed6111ea86aed2b9be6faecb554d735f...
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.