OpenTechnical

OT-2026-000080305

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000080305) never changes.

Identity and time

Publication numberOT-2026-000080305 · never reused
Internal UUID01a0ae96-7e77-7b55-944e-12ab0fd96e0a · 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-2026-000080305
StatusPUBLIC

Content hashes

Canonical text059f5ca4e4181c45622953fcf874741dccd84db5fa87bc36705a13457d73960c
Markdown591162b17dca9c95cde2e9dd00b9d368d806ea62df31f7119801f36bebd63157
PDF
Publication pagebbd03da82e9d8c03ec65db82cfb864e8804140810ec1ff30e8a420b362062918
Manifestb89b477995d58f646dcb17dc9c5d8eac6ad01d697f8dea93ada89776ea6abb4d

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
SignatureziLrT+x+DJmZLwlVHJsia9t6wyuE9XvBSJbzhi8YERew6bmoRa+pNwgF0uyxb12eSFgSlsAsocM/XZY4CAZXCg==
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

2026-09-17T10:02:46.335924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080305
observed bbd03da82e9d8c03ec65db82cfb864e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.317805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080305/manifest.json
observed b89b477995d58f646dcb17dc9c5d8eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.300151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080305/publication.md
observed 591162b17dca9c95cde2e9dd00b9d368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.279827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080305/publication.txt
observed 059f5ca4e4181c45622953fcf874741d...
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.