OpenTechnical

OT-2026-000023596

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000023596) never changes.

Identity and time

Publication numberOT-2026-000023596 · never reused
Internal UUID01a0ae70-726a-7f54-bec5-7fb7342f69ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023596
StatusPUBLIC

Content hashes

Canonical textab0db69c0d0459ceeeca6bdd6cc5aae460498a234927125918bcf01a9bab8484
Markdown4e9b8699239ec2537f9be77c0de4d4ad710aa9f79b939b9bc0d6b6a2655db014
PDF
Publication page055d37740613e380342a935dba85b482c2b4f0336f87647729b02a39d3f899aa
Manifestd1da84bd6f0c8438f296034f422f6f2e1a62bfd63272c81409d48aece476ddd3

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
SignatureaH8c5sNmdfUFljTlHNrcndYMHj8GeU08MXBX9nFUKXqalJhIUC+5/QlWC8utcRT0TC6fE1Bunyfq02rZcfR/CQ==
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

2026-09-17T11:51:57.392294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023596
observed 055d37740613e380342a935dba85b482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.374607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023596/manifest.json
observed d1da84bd6f0c8438f296034f422f6f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.357252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023596/publication.md
observed 4e9b8699239ec2537f9be77c0de4d4ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.341499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023596/publication.txt
observed ab0db69c0d0459ceeeca6bdd6cc5aae4...
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.