OpenTechnical

OT-2026-000064184

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000064184) never changes.

Identity and time

Publication numberOT-2026-000064184 · never reused
Internal UUID01a0ae8d-a45f-70d4-9488-d1474825103c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064184
StatusPUBLIC

Content hashes

Canonical texte4b4be47c3db14b86d8a9fd34700cc8572bb9ad4125a692beeafec6a168305cd
Markdown22f9e9631499898e27f6e23cc184c0250fd845bb6e579c101f44b69f458a5fcf
PDF
Publication page53f1dadfc93d80a3418ebc48f0056cce4c91733bf02325b0004d7c29f26c88c6
Manifestf9b51253609aacd809d665f87beb6888be251c66136a34fa6985d289aa3e5733

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
Signature9QB1PymaKC97e7TKGdfGAPBKNVu7mp7nKXnq3jQ9BjUzhh9T5EmKl316i9bvZ7IGletKyGeWYkglt5PiNCbqCg==
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

2026-09-17T10:36:12.104656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064184
observed 53f1dadfc93d80a3418ebc48f0056cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.088326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064184/manifest.json
observed f9b51253609aacd809d665f87beb6888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.071022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064184/publication.md
observed 22f9e9631499898e27f6e23cc184c025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.053354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064184/publication.txt
observed e4b4be47c3db14b86d8a9fd34700cc85...
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.