OpenTechnical

OT-2026-000049773

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000049773) never changes.

Identity and time

Publication numberOT-2026-000049773 · never reused
Internal UUID01a0ae81-8fef-75f2-a3bd-1fa6e1fc022a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049773
StatusPUBLIC

Content hashes

Canonical text6fadc5a220b2f667067cf5c5a6e36c92040d19e2da003027972bdbce2d52a345
Markdownfaa9a94ee8076d099dc888b2b9df3b6fc452493750b0ee0c0d87b7c8e0289fa9
PDF
Publication page5ad3ac9d534ee839fd9fe51f50799f3e0e22d4ef5f0cfe55defa3a3f826aa282
Manifest560cf09d534c3404bc4c3f4243556aeaf65e322450f735ecc9b8279fc8c31d79

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
SignatureDfhBJtHQXrbVKjwrTZENCV7xSiX8SV8RIFeeTsaoBYOAFgE8GM5w+UIPlukrSYixtlLv7JBpW0AGam13Fe+/DQ==
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

2026-09-17T11:02:53.233111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049773
observed 5ad3ac9d534ee839fd9fe51f50799f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.214154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049773/manifest.json
observed 560cf09d534c3404bc4c3f4243556aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.194666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049773/publication.md
observed faa9a94ee8076d099dc888b2b9df3b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.174682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049773/publication.txt
observed 6fadc5a220b2f667067cf5c5a6e36c92...
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.