OpenTechnical

OT-2026-000060540

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-2026-000060540) never changes.

Identity and time

Publication numberOT-2026-000060540 · never reused
Internal UUID01a0ae8a-b7cc-72d2-82e5-e7359c2dd88e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060540
StatusPUBLIC

Content hashes

Canonical textd9013f43cbd42d63796fcaffc5c18fe0b188bc7e4f1d6ac790f46b0f32529907
Markdownf2591b417f587e2ac8741b21cdf6caa88e7924071967f14ed0b839cc2721a30e
PDF
Publication page1be9650936976f6f1be06784c52003d8f38c72007c0e4570bbe2218827a65b8f
Manifest9e19ca908cde0bcfce8d016b97bad0f85f4ac44786857375cfeac220a8c205ba

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
SignaturePdTnYWGJFRUeEQ4pV9cds0kOzuM72+yhLJQN/7gASa56asT2LkAmQMCtissX0npb3hhrF8DekyYKPC3E10HMDg==
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...

Independent retrieval

2026-09-17T10:43:08.941365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060540
observed 1be9650936976f6f1be06784c52003d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.924298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060540/manifest.json
observed 9e19ca908cde0bcfce8d016b97bad0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.905297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060540/publication.md
observed f2591b417f587e2ac8741b21cdf6caa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.888735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060540/publication.txt
observed d9013f43cbd42d63796fcaffc5c18fe0...
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.