OpenTechnical

OT-2026-000003909

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, ejector fed, pressure verified

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-2026-000003909) never changes.

Identity and time

Publication numberOT-2026-000003909 · never reused
Internal UUID01a0a90b-6dfc-7ce9-bc29-17de4a883d51 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:13.695591Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003909
StatusPUBLIC

Content hashes

Canonical text7a028656b27fe80e9366bd4640a98839e93549645972d0ab6434cc4a81f6f5f2
Markdownfa4c0a066388bcbf06f9e215b99d78e9264e09df03499ca38e6a8cfafe314ed9
PDF
Publication pagece084ecc954ce2e2cdc2c68df6dbb93259865287c6d856382abe7579550c0af2
Manifest07ada8a89d412686b8337d5048dcd1322953ebf68f2017b47ad610c14e71fc0a

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
SignatureLrb9grmZ7TLOx3N2gyC1It5mFWV4p0CvdzL1elq1vC7YQsGmYsbarpexIfnX4D+7CPOFSlBtEpxfSkQ9TqbiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:12.911730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003909
observed ce084ecc954ce2e2cdc2c68df6dbb932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.895406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003909/manifest.json
observed 07ada8a89d412686b8337d5048dcd132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.881416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003909/publication.md
observed fa4c0a066388bcbf06f9e215b99d78e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.868240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003909/publication.txt
observed 7a028656b27fe80e9366bd4640a98839...
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.