OpenTechnical

OT-2026-000087187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000087187) never changes.

Identity and time

Publication numberOT-2026-000087187 · never reused
Internal UUID01a0ae9a-9f2e-75a4-ba30-0fc982008c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087187
StatusPUBLIC

Content hashes

Canonical textd4e7e0d9e14c995c927407b2fe162e394791434f436e9fda66ae82ff83270201
Markdownb15da896cf882a6ebf7508d81bdb786eeaad9b6e949ec4b9cc5d3101b700cb86
PDF
Publication page6bf4a279c28b68b67656005182d602ce9b13dc16d6ed6a825d8803286d4735eb
Manifest2bac1d2e2caec9898cdd0980b5a1b2fda1e32e76d6317eecbb731022662a052b

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
SignatureEPoCfc1C8qHHZTzasQkXelwGhKDE01u0msv5uBliFHvur7pOq3DHbgG4xK8uNM6STXz12m38pAeDAk/ICw7DBQ==
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

2026-09-17T09:51:27.689179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087187
observed 6bf4a279c28b68b67656005182d602ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.672368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087187/manifest.json
observed 2bac1d2e2caec9898cdd0980b5a1b2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.655094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087187/publication.md
observed b15da896cf882a6ebf7508d81bdb786e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.638186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087187/publication.txt
observed d4e7e0d9e14c995c927407b2fe162e39...
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.