OpenTechnical

OT-2026-000062902

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000062902) never changes.

Identity and time

Publication numberOT-2026-000062902 · never reused
Internal UUID01a0ae8c-94a8-7105-b0ab-61375218a5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062902
StatusPUBLIC

Content hashes

Canonical textfd837e6b545826989678002d277179f653c7ab7a1ca4dd5fe9ec3271bcf569d0
Markdownddd9a444ffd5960a3c32c20c2af6b2fd93cc1be96b13b08de4fa4371e68db135
PDF
Publication pageff4ba0f9193943591960098deb1355f12118424ef3a50d2f915f75287e9cc89f
Manifest897f76d3da0b809053f66cd4146fd379dade9d22de0811a7ff5c214bdf81d6db

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
SignatureukZWXGmE2CUvtAB8w/Qb8SEhnQ4mOZXGdYSap765jPAjwYFhD0eOz6pXq5d1db30SBTQVkmKPXAZy+izbXeVCg==
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

2026-09-17T10:40:16.405202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902
observed ff4ba0f9193943591960098deb1355f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.382194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902/manifest.json
observed 897f76d3da0b809053f66cd4146fd379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.360735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902/publication.md
observed ddd9a444ffd5960a3c32c20c2af6b2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.336907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902/publication.txt
observed fd837e6b545826989678002d277179f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.661382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902
observed ff4ba0f9193943591960098deb1355f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.644876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902/manifest.json
observed 897f76d3da0b809053f66cd4146fd379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.627376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902/publication.md
observed ddd9a444ffd5960a3c32c20c2af6b2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.607632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062902/publication.txt
observed fd837e6b545826989678002d277179f6...
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.