OpenTechnical

OT-2026-000048084

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000048084) never changes.

Identity and time

Publication numberOT-2026-000048084 · never reused
Internal UUID01a0ae7f-c423-70fa-b5a4-fa50c654fc48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048084
StatusPUBLIC

Content hashes

Canonical texta6cdacacaf409571b1a202e939e96e2418185e8b8f04818b9baecd2814d4b51c
Markdown4528a4608bfdf6da20240f3e39386e30b906d001500952b9cbef87189d2524d4
PDF
Publication paged4a31bbbd2b99c98654818948741bc11658af47dc33ba9f625604c46ab678f44
Manifest5595aaa7f7b2fc58101ccd8bc488fbdae71d9015d4c124f4137c3b5f3bec0c0b

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
Signaturebf0k1xx79CNNItSpLvBclZmkgmYWYF3ZthesHwtQN05Kf3jMlo0fyoJaqae7axApjEU0ABTTFvw64XUQtspMBg==
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

2026-09-17T11:06:06.215527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048084
observed d4a31bbbd2b99c98654818948741bc11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.195856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048084/manifest.json
observed 5595aaa7f7b2fc58101ccd8bc488fbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.176712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048084/publication.md
observed 4528a4608bfdf6da20240f3e39386e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.158638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048084/publication.txt
observed a6cdacacaf409571b1a202e939e96e24...
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.