OpenTechnical

OT-2026-000100334

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100334) never changes.

Identity and time

Publication numberOT-2026-000100334 · never reused
Internal UUID01a0aea3-3054-74ca-9443-9b8bffbb582c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100334
StatusPUBLIC

Content hashes

Canonical text9a1badf69bff1ce52b8e310489e88e839158d04bdd9d7030be8dda5e65589146
Markdowndb7e51029917bf9e70f75f80f17265b245650107d4b00f30997b840f0349b0c4
PDF
Publication page0bf570522acba5368c5b412acc2e3530cbd71c9169ded911f3f655dfb0f65b89
Manifest4161aa9e2dcc9e64b549aefc575061c089ef09f2aee7546942ebb10f6cbcbc42

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
SignatureYCCfLYdJFgQsjzE2dowZcNKrz6nf/ZqVkzQjo7+DUpfQ+RtBrkyC66w77iuC1pzGWrvxRplMyKkGFiGVZ9PHAw==
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

2026-09-17T09:30:16.736493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334
observed 0bf570522acba5368c5b412acc2e3530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.719827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334/manifest.json
observed 4161aa9e2dcc9e64b549aefc575061c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.701107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334/publication.md
observed db7e51029917bf9e70f75f80f17265b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.683248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334/publication.txt
observed 9a1badf69bff1ce52b8e310489e88e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.185933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334
observed 0bf570522acba5368c5b412acc2e3530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.168913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334/manifest.json
observed 4161aa9e2dcc9e64b549aefc575061c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.151700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334/publication.md
observed db7e51029917bf9e70f75f80f17265b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.132859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100334/publication.txt
observed 9a1badf69bff1ce52b8e310489e88e83...
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.