OpenTechnical

OT-2026-000043793

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043793) never changes.

Identity and time

Publication numberOT-2026-000043793 · never reused
Internal UUID01a0ae7b-d676-72c6-9b7f-02dd82938f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043793
StatusPUBLIC

Content hashes

Canonical text7a0e2418b1edb31ff3d091da9341c2b0fc11dfde2a397d5570edd92bf10a3faa
Markdownf6deb67e9a4f33c2b29154429d346bdeb752cc78fc0987d0b8f66ad34ba36712
PDF
Publication pagec4df71971f043fc07e79a2e33abf22ddb20fd92a7ed8f5b6ed957784de196b76
Manifest3e8b83d78c85cba3ef011f351d1832c268f242e37c84537584c1f614b87a618b

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
SignatureGhCwTwkN647PyKT8SzfYAA2e8UyJ0Zqmttx0BiYocDOcFA5sr4iXpgD27HQaMwNSWEMG/rkLbpdmxhet4d8SDA==
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

2026-09-17T11:12:05.539257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043793
observed c4df71971f043fc07e79a2e33abf22dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.520146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043793/manifest.json
observed 3e8b83d78c85cba3ef011f351d1832c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.500058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043793/publication.md
observed f6deb67e9a4f33c2b29154429d346bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.482046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043793/publication.txt
observed 7a0e2418b1edb31ff3d091da9341c2b0...
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.