OpenTechnical

OT-2026-000037200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000037200) never changes.

Identity and time

Publication numberOT-2026-000037200 · never reused
Internal UUID01a0ae77-7741-7df6-971a-8dde16c83dcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037200
StatusPUBLIC

Content hashes

Canonical text8fed1aad2fb1e79fccc09f5ada01b37e9a167dd2cc5928e97d98392fcdd0d555
Markdown6123c615bbb803d4d4befc750e117f7cbfa3a4e2d051dcb5ebcda5ee6232e0ab
PDF
Publication pagee1ba02cd0d5eee55cede93c54a97c2882b65e443aae67987f7068ecba4076812
Manifest7bbce319bd75df4bad230bd1dfe82cbccd4c9c3d56319484609c59a1f341a4d2

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
Signature4+lJIeidzWMiWzeMMWJOFMjBnTw6xipUxRFzKgf/O6ivwmPz9iVFb9jOyD72j3UokFLYGrOyFCDDBu3TAaebBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:25:05.152010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037200
observed e1ba02cd0d5eee55cede93c54a97c288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.136620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037200/manifest.json
observed 7bbce319bd75df4bad230bd1dfe82cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.120858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037200/publication.md
observed 6123c615bbb803d4d4befc750e117f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.106177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037200/publication.txt
observed 8fed1aad2fb1e79fccc09f5ada01b37e...
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.