OpenTechnical

OT-2026-000042478

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000042478) never changes.

Identity and time

Publication numberOT-2026-000042478 · never reused
Internal UUID01a0ae7a-c0cc-7ebf-bc77-eb3f6b3e723a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042478
StatusPUBLIC

Content hashes

Canonical textde483fe468bd8f9d6bf37b06ca4d7c929d8aaf8202ed243f01f7c308ebd6a629
Markdown472a9271a4710bdf2e82e32209c59471763b052be6b478283205387a8fee881e
PDF
Publication pagece58eba638f19d83452acbba98667da4c3795eb9aeecbc64d914cfdd9f26c1d9
Manifest29ef94872b86530b7332e4e7e2ca78e2592c4bde9d51726c38308ad990165db3

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
SignatureGM81QmCzbhfUvVfIL3G5Xojca6aOq8P2HlJIuVleArpiR8eZPaLQXsw6R7B7uGu2xkao/WoN0yH6OKalEcv2Ag==
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

2026-09-17T11:14:02.735901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042478
observed ce58eba638f19d83452acbba98667da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.717595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042478/manifest.json
observed 29ef94872b86530b7332e4e7e2ca78e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.698392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042478/publication.md
observed 472a9271a4710bdf2e82e32209c59471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.678836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042478/publication.txt
observed de483fe468bd8f9d6bf37b06ca4d7c92...
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.