OpenTechnical

OT-2026-000050904

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000050904) never changes.

Identity and time

Publication numberOT-2026-000050904 · never reused
Internal UUID01a0ae82-c7b3-7436-a1da-1bee36d4f9d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050904
StatusPUBLIC

Content hashes

Canonical textb3376172f7492ebeac84dca21d7dcc8ad89465271774de9dc9bdbc2501b7fcc6
Markdown363f0af8fbc04da97bc84e8d5c1fab7efe6b65f8cc32ac41414b1019c4e3bd06
PDF
Publication page04716da714ba7f1e5fa7b3d1927ae9816954bfb17d47162e664ba7d45863db15
Manifest22372a0dcba9392e56043299d4cd5c2b4748e31736cdd8828625f1255a6d5c88

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
SignatureAg8zrConIcZfSJPATiDaTellVqdjtWs3jZQLDbkcBvwffv+/MeHUJUkv8iB6AynDAX0S7theZ92UDJ/Wm3CHCg==
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

2026-09-17T11:00:39.095664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904
observed 04716da714ba7f1e5fa7b3d1927ae981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.072439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904/manifest.json
observed 22372a0dcba9392e56043299d4cd5c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.046273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904/publication.md
observed 363f0af8fbc04da97bc84e8d5c1fab7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.034967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904
observed 04716da714ba7f1e5fa7b3d1927ae981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.023587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904/publication.txt
observed b3376172f7492ebeac84dca21d7dcc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.001686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904/manifest.json
observed 22372a0dcba9392e56043299d4cd5c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.973325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904/publication.md
observed 363f0af8fbc04da97bc84e8d5c1fab7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.941440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050904/publication.txt
observed b3376172f7492ebeac84dca21d7dcc8a...
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.