OpenTechnical

OT-2026-000064741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000064741) never changes.

Identity and time

Publication numberOT-2026-000064741 · never reused
Internal UUID01a0ae8d-deba-7878-a342-ff53f3882477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064741
StatusPUBLIC

Content hashes

Canonical text351432865fe82be2e9944d12a2a6f1eaa497f3923788dcf7ea91cb9aaba882e2
Markdownc4c359b093de8177f414fedac167211b9eba722347bb518996850001e7dadd6e
PDF
Publication pagef32bd5d006ca2cb2133cd1f8053bd305bdd5ba12e00cea8195ac8f0101db14e9
Manifestf3281cbca8c9692caa36518368409cde7a33d2ad5e14a6f1f9e7e4137d144360

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
SignaturecaUxO4GtpyQLL/gIZmJO3SOigoRBMyemHXBuFKxpR+FUC1+1rbT14hxXcDgzfNtSNnVDcghAfI0ONIjmxogjCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:37.299875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064741
observed f32bd5d006ca2cb2133cd1f8053bd305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.282870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064741/manifest.json
observed f3281cbca8c9692caa36518368409cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.265622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064741/publication.md
observed c4c359b093de8177f414fedac167211b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.246575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064741/publication.txt
observed 351432865fe82be2e9944d12a2a6f1ea...
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.