OpenTechnical

OT-2026-000045530

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000045530) never changes.

Identity and time

Publication numberOT-2026-000045530 · never reused
Internal UUID01a0ae7d-8f01-7ff8-b2a3-e9266d0ef0a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045530
StatusPUBLIC

Content hashes

Canonical text40a3924f64e46b65ebde69087bd138439ce89a5702cacca514cab873b52e5a37
Markdown6b2c4a74a4265b27f609d3805efa0e78f600cef46a10e32e0dfb7cb9fd8a7e63
PDF
Publication pageb8d6eaf6eb0c9023787dbf41f8d5601a35e17a4f700bf923af0eb78a75ff6348
Manifest40aa08c43e9bf6fc86d3a5858e54c6cc02e64ffed0fe0c622d6edd24f5157f6f

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
SignatureQ5sFwseMjAwjP3OQOPoSXznnaKiDtSvrySV8VcgeSJC2ek1zrSH2lXY/cIAAVJywL2zVoET3G2MLz9pTKnCaAg==
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

2026-09-17T11:09:16.549906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045530
observed b8d6eaf6eb0c9023787dbf41f8d5601a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.531822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045530/manifest.json
observed 40aa08c43e9bf6fc86d3a5858e54c6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.513119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045530/publication.md
observed 6b2c4a74a4265b27f609d3805efa0e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.494072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045530/publication.txt
observed 40a3924f64e46b65ebde69087bd13843...
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.