OpenTechnical

OT-2026-000004711

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, ejector fed, vented 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-2026-000004711) never changes.

Identity and time

Publication numberOT-2026-000004711 · never reused
Internal UUID01a0a920-e9e4-7045-a024-83970d4b6cfc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:41.670802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004711
StatusPUBLIC

Content hashes

Canonical text51cbddb5d2a43fe401ac180ac96d8cd7426fce7d3b8733674d9b35fef0c3b0b4
Markdown7445d932fbbf9508f7d54535a630d1a560f3d0d5aade3675747f311b6f83e91e
PDF
Publication page3eebd4c60479756b3df23b74f34c2d57c65e934b68d2f8decf723659e7f0cc90
Manifest5d3e63920dce200a68006d049df65d76f32a3cf3b24413de8bbb7a558284534a

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
SignaturelcEdsKjS/O7Bv8+ibSkv/JMgoB2O8BmfGLlSrs0zpJ+JeCLWuLvbiyrFyolPN4sbX8unK8BRQbUN8x1lXuABBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:26.990393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004711
observed 3eebd4c60479756b3df23b74f34c2d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.978388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004711/manifest.json
observed 5d3e63920dce200a68006d049df65d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.966263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004711/publication.md
observed 7445d932fbbf9508f7d54535a630d1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.954114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004711/publication.txt
observed 51cbddb5d2a43fe401ac180ac96d8cd7...
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.