OpenTechnical

OT-2026-000043585

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000043585) never changes.

Identity and time

Publication numberOT-2026-000043585 · never reused
Internal UUID01a0ae7b-92cf-77dc-80d6-463499a39d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043585
StatusPUBLIC

Content hashes

Canonical text4962ba6db07dec0dfcc1d43a4a0a809f34179fc20a5052ff27f9a9e66c705b23
Markdown06f81687122fbb546ef329ac364398e34f85212495417bc3498cc9568129729f
PDF
Publication page4712a73c755fc5f9fc2e181987f749ad0c16cafc56f0df027ea26ae5121a9595
Manifesteb856acfa06906300a500db751a771df4853301a3bcf7eb5ef247ed3d60d0828

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
Signaturez6mm7kAAZd/+Kt+jUpHMFADVI8fT0Wc8Uo+/29WNRUVgLvarzTCkHWwMlQvhSBnbEq+moFiCSpijlekCQhO0AA==
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

2026-09-17T11:12:59.120861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043585
observed 4712a73c755fc5f9fc2e181987f749ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.101731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043585/manifest.json
observed eb856acfa06906300a500db751a771df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.083472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043585/publication.md
observed 06f81687122fbb546ef329ac364398e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.064761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043585/publication.txt
observed 4962ba6db07dec0dfcc1d43a4a0a809f...
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.