OpenTechnical

OT-2026-000033204

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000033204) never changes.

Identity and time

Publication numberOT-2026-000033204 · never reused
Internal UUID01a0ae75-4844-78ef-aaa8-18fc9bc2c511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033204
StatusPUBLIC

Content hashes

Canonical textbed7f731adf8138b3011dbcb40a41df2d82f6b014a4d79d368b46cf7f145cfcb
Markdown991276584594b5f8acedde72abaa7da36ad51ea49f64c2c808dbbfe70464be6c
PDF
Publication page8bb1e1bf55a14e0159e972fc51b4b41281a7515831d00d4fc830c8fb7b7af2ab
Manifest1bd267c99656092db93039fa60bd302a1a26a69e804e142ed3cf1993a8524bd2

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
Signaturei9ur5ppxFwRO9A7usKxrqVtUo3XRtS695Qays3nYvqM3cXzeNPv3L6CJloZ+gRSokqgEBnBsY1TBigyLm936Bw==
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

2026-09-17T11:32:54.222519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033204
observed 8bb1e1bf55a14e0159e972fc51b4b412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.204376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033204/manifest.json
observed 1bd267c99656092db93039fa60bd302a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.186218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033204/publication.md
observed 991276584594b5f8acedde72abaa7da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.167617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033204/publication.txt
observed bed7f731adf8138b3011dbcb40a41df2...
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.