OpenTechnical

OT-2026-000081972

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000081972) never changes.

Identity and time

Publication numberOT-2026-000081972 · never reused
Internal UUID01a0ae97-0f77-7004-b8b2-6eaeefc086d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081972
StatusPUBLIC

Content hashes

Canonical texte819689d1675e59df6dc3588c73831908fd3ca78c72d4a33ec27031116a7115f
Markdowne17f6b3c24cf9dafb9b88fea1694f8b451f76696cb6091454530f2f70bdfa452
PDF
Publication page5a3b8a482fae1ec477a6ddb05f98ce72b09426afbcc16e27ff776e9c93f3fbba
Manifest94666eb24d69418192cf8da08f6724cd6cf4d6bbfcd25fb1521d979278ccd076

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
Signaturevo5IFTrfoofx8Njd9tNvV3PXrK5FEKcwUhPisgh4ONHVLqZH/wWYY480jfKFkRgxZmXqbu1k627f/ljuy92eAg==
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

2026-09-17T10:01:06.655911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081972
observed 5a3b8a482fae1ec477a6ddb05f98ce72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.638334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081972/manifest.json
observed 94666eb24d69418192cf8da08f6724cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.620486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081972/publication.md
observed e17f6b3c24cf9dafb9b88fea1694f8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.602822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081972/publication.txt
observed e819689d1675e59df6dc3588c7383190...
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.