OpenTechnical

OT-2026-000038474

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000038474) never changes.

Identity and time

Publication numberOT-2026-000038474 · never reused
Internal UUID01a0ae78-2d53-79ad-8ae6-3202864f56ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038474
StatusPUBLIC

Content hashes

Canonical text25bf94c8dde9ab18130c4f919a97bb1c9e2074d27b91bd5fe73afd221b92bf8c
Markdown36e3c994c75c52537ba0d6478e37a91e8567a35fae207342f93e99ba511272d5
PDF
Publication pagee29cd22f665661c6396d33e2f94b7c05bf1a2455210fe6fdcae0142ed75a002c
Manifest4fb9f5b46234ff03a7d898df9ad4f1ac36e02e3ff1d35fbb891a6d8692f3336c

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
SignatureJEr/G76F7L2irihj3GJwxdesMQlOPduEuMXergYIg+2Vbli6xZYABQtmN76gGKLLFMWgJoZIjGn2lfdqohbJCg==
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

2026-09-17T11:22:42.717119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038474
observed e29cd22f665661c6396d33e2f94b7c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.700095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038474/manifest.json
observed 4fb9f5b46234ff03a7d898df9ad4f1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.682175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038474/publication.md
observed 36e3c994c75c52537ba0d6478e37a91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.666002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038474/publication.txt
observed 25bf94c8dde9ab18130c4f919a97bb1c...
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.