OpenTechnical

OT-2026-000057188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000057188) never changes.

Identity and time

Publication numberOT-2026-000057188 · never reused
Internal UUID01a0ae87-d5ba-7ad4-88d7-60d53b63aa44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057188
StatusPUBLIC

Content hashes

Canonical texte86025f2c208495f3c2950411f245894fd6596a3e07a425c5f78ca8c6586b834
Markdownea62e5cac4e95c93f57590898d16ce9c24c12b78b5935c34a47071748807d2af
PDF
Publication pageee97307d089efe497c78768a235201429cb288e739b3a57b7180f54b1fc60a5c
Manifest90495de5afe94fcd075f876a3955d344fc87062b49e3bc565daf6ba2c7680e78

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
SignatureacfAZCHB94EbvEqE7p5uHDFrGikOmb/a45uIlCLhTjO5H91xUE/pmH7Q+xCJ5/3ENmiBkkqZEZ5XNKhXyj0bAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:12.460337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188
observed ee97307d089efe497c78768a23520142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.440331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188/manifest.json
observed 90495de5afe94fcd075f876a3955d344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.421786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188/publication.md
observed ea62e5cac4e95c93f57590898d16ce9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.401620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188/publication.txt
observed e86025f2c208495f3c2950411f245894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.815408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188
observed ee97307d089efe497c78768a23520142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.798256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188/manifest.json
observed 90495de5afe94fcd075f876a3955d344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.780556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188/publication.md
observed ea62e5cac4e95c93f57590898d16ce9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.761887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057188/publication.txt
observed e86025f2c208495f3c2950411f245894...
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.