OpenTechnical

OT-2026-000025389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000025389) never changes.

Identity and time

Publication numberOT-2026-000025389 · never reused
Internal UUID01a0ae71-5fa7-78bc-935e-163f0e887f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025389
StatusPUBLIC

Content hashes

Canonical textea72f921cdf6c13c860f1c98ac2fa9a7804dff08e11fbe44be7ea855f0219b1a
Markdowned5ec81f9209f4b1c385ab3886940a86fdf06bd987fef742283953b14e5a3c7d
PDF
Publication page00ba17aa9ba789330387bb711532b8d67f00f4ad309533811da45a0d7a8afd29
Manifest97c75e0324950f2b56db8bf33028d39b45285fc44946bd2bae414b5309fba062

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
Signaturei1Zr6h/aZfQE/AF/qaMhBrQtP4D3QdT3CO1sDtRXSgRmiPT7U0IPITUtyloADF1hwLB8rc9L0Y/Lrjv3ClcJAQ==
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

2026-09-17T11:47:27.009628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025389
observed 00ba17aa9ba789330387bb711532b8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.977726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025389/manifest.json
observed 97c75e0324950f2b56db8bf33028d39b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.960898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025389/publication.md
observed ed5ec81f9209f4b1c385ab3886940a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.932731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025389/publication.txt
observed ea72f921cdf6c13c860f1c98ac2fa9a7...
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.