OpenTechnical

OT-2026-000049997

Publication integrity record

Four cup vacuum gripper, four 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-2026-000049997) never changes.

Identity and time

Publication numberOT-2026-000049997 · never reused
Internal UUID01a0ae81-fd78-7e58-987b-49b013156429 · 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-2026-000049997
StatusPUBLIC

Content hashes

Canonical text213e9ee9bb9e0fd97675c1452dee85ec8e4b135c015f892cdbc665ed26f0f6dd
Markdown4bd1425622bcffd8d9bcf710f2abfe1e1ac7efeace99d6cecf18ccd8e0993f1e
PDF
Publication page160e3537a5ac3e78ff8b912cdd349458fd49151967172ff7d890845775c62fb5
Manifestbc35e7be52b3cbd3a04f0490fa7b8d68711d1d11c0637cd5a67e81de17242b3c

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
Signature4Zcy6nhSSF1gYIww1OdnxJxgdh9pHDaKMIM2uW/38U02EClSTwyZ+02dRJL5P91V/5lJlmrahPu0fny16ocLCQ==
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

2026-09-17T11:01:57.272662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049997
observed 160e3537a5ac3e78ff8b912cdd349458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.252855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049997/manifest.json
observed bc35e7be52b3cbd3a04f0490fa7b8d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.233643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049997/publication.md
observed 4bd1425622bcffd8d9bcf710f2abfe1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.211870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049997/publication.txt
observed 213e9ee9bb9e0fd97675c1452dee85ec...
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.