OpenTechnical

OT-2026-000067030

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000067030) never changes.

Identity and time

Publication numberOT-2026-000067030 · never reused
Internal UUID01a0ae8f-14fe-7a71-b9d2-50be8a3c6a3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067030
StatusPUBLIC

Content hashes

Canonical textcd9867ae33b3781d46bff91ee9880f422b44530c61d6410cfa07bbcd3de09501
Markdown2c5cd797900078a1774229b869265f98268ad097244021b9cb29a4c2e00249c7
PDF
Publication page682b80d8b3c2f944d33c51187eaa0b6f8ee82b97e477dccc52b75bf9c308b2d0
Manifest2ee935c4b02cc1a09cd063f0bc174ad5b0f165c4014856811bafeeaee5264143

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
SignatureMPhcheSBofJ7yzZODTeqzeLhsOTa/+XEFVHh9jesHCRLc5hUekfluaLZA34jWWoFwLestDMS2yq+RNdopv2aCQ==
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

2026-09-17T10:32:15.940379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067030
observed 682b80d8b3c2f944d33c51187eaa0b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.920612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067030/manifest.json
observed 2ee935c4b02cc1a09cd063f0bc174ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.902082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067030/publication.md
observed 2c5cd797900078a1774229b869265f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.883091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067030/publication.txt
observed cd9867ae33b3781d46bff91ee9880f42...
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.