OpenTechnical

OT-2026-000050745

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000050745) never changes.

Identity and time

Publication numberOT-2026-000050745 · never reused
Internal UUID01a0ae82-c7b1-7706-beeb-2514fad2104b · 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-2026-000050745
StatusPUBLIC

Content hashes

Canonical text94eddc394ea4229a3b90b5afccc5377dfb9a260065672e8a57d713ea3fb08070
Markdownf939809067fe3a0f4506326413884051e7eb12652b576bd39390c466a67c42e5
PDF
Publication pagefffa7d4deeae33480e20deafe6a1e9f452a3d98b2ddf687c8114659b13d16909
Manifest4eff8ed19c26c0af702d6bd322eaab9e161e56d78609dcdb20bd72cb8643e255

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
SignatureUH4nAPyuEkDHlF2m7B7KNyzQ082wlhc7EiGb25eaAZZoBdud1hCqCYBalJMWwfMmd0hil6rgE/cyxe6mCrVHAw==
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

2026-09-17T11:00:07.413183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745
observed fffa7d4deeae33480e20deafe6a1e9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.392717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745/manifest.json
observed 4eff8ed19c26c0af702d6bd322eaab9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.370376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745/publication.md
observed f939809067fe3a0f4506326413884051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.350879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745
observed fffa7d4deeae33480e20deafe6a1e9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.343521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745/publication.txt
observed 94eddc394ea4229a3b90b5afccc5377d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.328190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745/manifest.json
observed 4eff8ed19c26c0af702d6bd322eaab9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.304774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745/publication.md
observed f939809067fe3a0f4506326413884051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.281540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050745/publication.txt
observed 94eddc394ea4229a3b90b5afccc5377d...
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.