OpenTechnical

OT-2026-000079316

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000079316) never changes.

Identity and time

Publication numberOT-2026-000079316 · never reused
Internal UUID01a0ae96-0b90-721f-9a3c-adcb4fd55113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079316
StatusPUBLIC

Content hashes

Canonical text8bcde4926d3bc35635279a4ab208242dea7d4e0fa375913c047acf990128d7f9
Markdowne163c3dbe2c8ac7dc37965915e97aad709efea005a5cc74d447d03daa6f7aa56
PDF
Publication page9dfb6df92f29a9b10f40a33a3939bc4e927e2a18a31201f94411728bdec6931f
Manifest0123be16fa28a9682825a86ae2ffe4b8ba8b7d42a00a93aa1bd392d045dcbd1f

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
SignatureRezZL2Vo8M9jxecCI+ON0QokpjLujy1IB0FofPLbuhtnfiuHsVapZB0llMjNdKed47wQnlJ7ALuGQ1jjaEXoDg==
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

2026-09-17T10:04:07.686824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079316
observed 9dfb6df92f29a9b10f40a33a3939bc4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.669436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079316/manifest.json
observed 0123be16fa28a9682825a86ae2ffe4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.651976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079316/publication.md
observed e163c3dbe2c8ac7dc37965915e97aad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.634783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079316/publication.txt
observed 8bcde4926d3bc35635279a4ab208242d...
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.