OpenTechnical

OT-2026-000080528

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000080528) never changes.

Identity and time

Publication numberOT-2026-000080528 · never reused
Internal UUID01a0ae96-7e78-7c26-9d87-b28ce216268f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080528
StatusPUBLIC

Content hashes

Canonical text153efe0870492fc8c00aac8b3a9cc1fd216a2a35bcb444c4268093af81f13669
Markdownf7e2788d4055b3f23ed87ab2388a7d27569dd1d1f64691425a0c81c1e74322cb
PDF
Publication pagee7be07ebba24c9f7413d48cecdf7e58726eb24076e4f757931d2ff38d7b21b14
Manifesta7e9ab645f54a31244c7ab412a08d1f902f2b356ed728bb396ceaf8b029b8983

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
SignatureoeZGvsjg7kmySIN3k7eAf1YqoYtinlHZW0K1MKbzplxnHfTVM9B41ltNYtuBlj8pDZw2wEfBAwgm5zWEY/RcAA==
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

2026-09-17T10:03:03.024845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080528
observed e7be07ebba24c9f7413d48cecdf7e587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.006329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080528/manifest.json
observed a7e9ab645f54a31244c7ab412a08d1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.987463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080528/publication.md
observed f7e2788d4055b3f23ed87ab2388a7d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.970547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080528/publication.txt
observed 153efe0870492fc8c00aac8b3a9cc1fd...
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.