OpenTechnical

OT-2026-000030005

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000030005) never changes.

Identity and time

Publication numberOT-2026-000030005 · never reused
Internal UUID01a0ae73-ac49-7d8b-94a7-ecbf10667536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030005
StatusPUBLIC

Content hashes

Canonical text91cdd9d530be861d65a613c355d251a46b0211bd37f09968fe98d0f07c921330
Markdown7f88a77892658859f408f864dae78bb586e6b16b90af2f05ca290b8b64ef638e
PDF
Publication page701f92aae6725cba3bb9ad7e5224c5a2290edc14804c0d13628c0dec3a877fd1
Manifest1ed17585743daa6595c845c55a8c1e8705ae147d66edc7c4b87a8bdd1828d9a9

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
SignaturePlffJxJ/hDwdJsKNQ6QeC1IJ/7Eyz+xZuAhD0U9KJebui8BIZjj/e9ewQ1l85d8lJUSJvFXFidtP+y7HmaJRBw==
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

2026-09-17T11:38:44.075754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030005
observed 701f92aae6725cba3bb9ad7e5224c5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.057675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030005/manifest.json
observed 1ed17585743daa6595c845c55a8c1e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.041451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030005/publication.md
observed 7f88a77892658859f408f864dae78bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.025526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030005/publication.txt
observed 91cdd9d530be861d65a613c355d251a4...
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.