OpenTechnical

OT-2026-000031022

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000031022) never changes.

Identity and time

Publication numberOT-2026-000031022 · never reused
Internal UUID01a0ae74-3fb7-7fdf-997c-818b2e2b0ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031022
StatusPUBLIC

Content hashes

Canonical text37d81a6f695259ab35ea571edcd4ad8938885f604b38f654c94eea6973e5cd3c
Markdownfcc725b53c5539802a4c61d475f277ddaf5676f707e93baa23cb12708436b4e0
PDF
Publication page1174c8a3b8d16fb3c82da1fcc133f06c9574a5ce99fe11d4ce990a710daed757
Manifestfcdef66e5e3c399bde511d6bc5b46e17e36a4d2ced421a171f8c414a5d1c246d

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
Signature4dN/0mcozt6suKLWEAsUVtlvbw0CNp9raN06lukL3Z07woSqhmgu+1h5nRcKn+XRwGbISRJX/49KzO1/YTMjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:07.019615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022
observed 1174c8a3b8d16fb3c82da1fcc133f06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.002035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022/manifest.json
observed fcdef66e5e3c399bde511d6bc5b46e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.984793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022/publication.md
observed fcc725b53c5539802a4c61d475f277dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.956537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022/publication.txt
observed 37d81a6f695259ab35ea571edcd4ad89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.943710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022
observed 1174c8a3b8d16fb3c82da1fcc133f06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.927705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022/manifest.json
observed fcdef66e5e3c399bde511d6bc5b46e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.912245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022/publication.md
observed fcc725b53c5539802a4c61d475f277dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.892864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031022/publication.txt
observed 37d81a6f695259ab35ea571edcd4ad89...
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.