OpenTechnical

OT-2026-000016639

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000016639) never changes.

Identity and time

Publication numberOT-2026-000016639 · never reused
Internal UUID01a0ae6e-5918-74f3-9fa5-d49ffc803f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016639
StatusPUBLIC

Content hashes

Canonical text3827c8ed098bd27b37564c8a2b3401eec8bce7b9c1bb411a5ddebdbf65e3f574
Markdown6c5d410b8cf56668532a4eaa710df610929350613bc761737914a410bda6833a
PDF
Publication page2eefcfec0de58b9f4ac332560ff15824844f9a7579702cb39993634ada5c37bf
Manifest2162b9767e1c23a2a93344bd4f764d96beb0f03e6528c4a89e3bbf9f8b06c0ae

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
SignatureZMNHq/g0MP493yKlWeLAEmbxAZpyxhKrlc0ftdBuKbJC5h8yV1sX5m2EYZ6Nqj69IDxlkkltQT9A0MA4GFtRBw==
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

2026-09-17T12:02:50.016388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016639
observed 2eefcfec0de58b9f4ac332560ff15824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.996424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016639/manifest.json
observed 2162b9767e1c23a2a93344bd4f764d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.978961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016639/publication.md
observed 6c5d410b8cf56668532a4eaa710df610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.960967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016639/publication.txt
observed 3827c8ed098bd27b37564c8a2b3401ee...
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.