OpenTechnical

OT-2026-000104210

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000104210) never changes.

Identity and time

Publication numberOT-2026-000104210 · never reused
Internal UUID01a0aea5-3420-7576-ae4a-c08b934d782e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104210
StatusPUBLIC

Content hashes

Canonical texta99cb6a7444b99cbfde29eef5761e3a08bcb5da0000aa37df7d43154fd6b92bc
Markdown0d6c68eaf306fa0091b50e9b230605e83a8af9658807c07c8d9942efafb8b98f
PDF
Publication page8144c755709e8fe0bd69779f4db856aca6a81d6cda26cce8a1768845b852ee2a
Manifestac6e414a7f607bef8a5c8cca33bc7525346199d5d97c90a6e0dd5a1803b6cbb3

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
SignatureMfwwGfcxHcdpl3vqE22Nt9XicADBD16xuEzHQMf7uFVdeggQJ1ZueZUngpqofKtevLk3ML4ewx4woDZjJzS/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:18.653950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104210
observed 8144c755709e8fe0bd69779f4db856ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.637867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104210/manifest.json
observed ac6e414a7f607bef8a5c8cca33bc7525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.620527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104210/publication.md
observed 0d6c68eaf306fa0091b50e9b230605e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.603968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104210/publication.txt
observed a99cb6a7444b99cbfde29eef5761e3a0...
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.