OpenTechnical

OT-2026-000049927

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049927) never changes.

Identity and time

Publication numberOT-2026-000049927 · never reused
Internal UUID01a0ae81-fd76-725c-bd38-c600abd503f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049927
StatusPUBLIC

Content hashes

Canonical text65c59ad25510fcc8baad74bdf8e7bb9d7131f88770581c6a5be1f00aebe41dc8
Markdown94520b8276e6a4306c9cc3f52c3648d3ef44c847047181971edb22520e5f7221
PDF
Publication page42b97ed60b33245d421273c979b07c4ab13efca7b44a816d403c3d83945bdcd8
Manifesta63ac6337a5837de3cf96e1fe3ee55dc2f0df9753fc226378bdc8be7b7b86854

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
SignaturexSwESbGOnkZ3P3f80vzNlZjuwOMJQohl+QDxqtNKAimGWDQO6hXBRTDGXf3Z3sSEUjfTJUcO4OvCCITsZiKuBg==
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

2026-09-17T11:01:51.421834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049927
observed 42b97ed60b33245d421273c979b07c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.401697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049927/manifest.json
observed a63ac6337a5837de3cf96e1fe3ee55dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.382078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049927/publication.md
observed 94520b8276e6a4306c9cc3f52c3648d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.362514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049927/publication.txt
observed 65c59ad25510fcc8baad74bdf8e7bb9d...
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.