OpenTechnical

OT-2026-000019117

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019117) never changes.

Identity and time

Publication numberOT-2026-000019117 · never reused
Internal UUID01a0ae6e-f391-72a9-9398-f2d92aa8cbf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019117
StatusPUBLIC

Content hashes

Canonical texta3e8822180e1177673dee2b8cad1233b84bed401c96a51445b47ba48f610541c
Markdowneb6a79503dc30ee93451b15cce7e3340c5e3e2ba884618e44bd05a2c4c99550a
PDF
Publication pagefb999c93c090ea05949472657d2bf9bf3d23a597b7e75c3098b91d03e68aa0ca
Manifest50933bde63ea5912c623ab2775083f8ff08e9ffc71a3eb87710d442b5cd9f866

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
SignatureR8pr4cnDmLrercE1Orhl8iiBB+t2pWO+yv4RL2Eb+3mA3qKGyLabnZ161oh53Tfa4jTECqJq916qOnBlhcV3CQ==
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

2026-09-17T11:58:25.038452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019117
observed fb999c93c090ea05949472657d2bf9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.021255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019117/manifest.json
observed 50933bde63ea5912c623ab2775083f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.002367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019117/publication.md
observed eb6a79503dc30ee93451b15cce7e3340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:24.985666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019117/publication.txt
observed a3e8822180e1177673dee2b8cad1233b...
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.