OpenTechnical

OT-2026-000074152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074152) never changes.

Identity and time

Publication numberOT-2026-000074152 · never reused
Internal UUID01a0ae93-7177-7a0d-a3ea-f28ae246ec32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074152
StatusPUBLIC

Content hashes

Canonical textb304742b6eef371d8825947a846330947b35d1ce307498cc6319d03ebe5d1f75
Markdown55b7b9db7322481522a28a16efdbc6c90729a5c2af6ade87e1e274f771005bc7
PDF
Publication pagedadbd38fc62360474a76a6c076d28dbf3d25b2059ec6c89ec1bbec537ec6b1fe
Manifeste1d886f7de52a3880fb5e935cd612d2e8ec742b3b158bd3405e1e7127fdcbbde

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
SignaturePfX1GR8xEf0h7Z7VRoYfEc0+L+u4eaFybvRrF00+2aVWI/1zm+kWp2mraLWWNkUCbrSDf8HrB2/0O8PeEsJ0DA==
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

2026-09-17T10:18:59.977637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074152
observed dadbd38fc62360474a76a6c076d28dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.960569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074152/manifest.json
observed e1d886f7de52a3880fb5e935cd612d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.942687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074152/publication.md
observed 55b7b9db7322481522a28a16efdbc6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.926496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074152/publication.txt
observed b304742b6eef371d8825947a84633094...
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.