OpenTechnical

OT-2026-000043519

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000043519) never changes.

Identity and time

Publication numberOT-2026-000043519 · never reused
Internal UUID01a0ae7b-92cf-7c8e-9987-def853ca83b3 · 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-2026-000043519
StatusPUBLIC

Content hashes

Canonical text2ad053fc1b4ba69c8dd556a38c02035efe8cbe28e930dcfb4ec3f1487f8be77b
Markdowna02d489dcb104766d1b0ab289e5761be2047405bb4680770836033a5f15057d8
PDF
Publication pageb85d3ab486295d46310c2f929d3b9e48630ed9061167c1f121bc183554ab9aad
Manifest5acdc523c505413737c75dd31d85af19e20eb8574586fb53d9cdcc23f7346b53

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
SignaturecDjqm5sbq9wejO7/6rdtwpDmv1Ig067ITybPc4OMftUpmKhoSXUMAK8yaXLJdcsgxMd7BHonrx8YpWhX8st8Bw==
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

2026-09-17T11:12:53.581377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043519
observed b85d3ab486295d46310c2f929d3b9e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.561328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043519/manifest.json
observed 5acdc523c505413737c75dd31d85af19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.540414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043519/publication.md
observed a02d489dcb104766d1b0ab289e5761be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.520077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043519/publication.txt
observed 2ad053fc1b4ba69c8dd556a38c02035e...
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.