OpenTechnical

OT-2026-000043433

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000043433) never changes.

Identity and time

Publication numberOT-2026-000043433 · never reused
Internal UUID01a0ae7b-327f-78f2-a288-299e01097fd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043433
StatusPUBLIC

Content hashes

Canonical text812a9f6d70dd801bb1cd2e91f0ab11b6eaae78790dd9273933a4ae1fa7a4e9e6
Markdown12bea0a4bc0b05d4116fa85d9f02c949abb4fde21a7a1caf66ae63fc7834bc1b
PDF
Publication page25940bb6618062b3f824a351c5ac8ae3758a9709d1ac258fe1ed44df75eadd16
Manifest67562ba5d97228925fc4631c0da72431949f2d082b6694995fdca3e07e0d29a8

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
SignatureG7YGawqOgAk3g1NpX06W3IheGDF9wjjjpo0Nrzdn2rCHsqbTuI18j1hWVvhjAzUuOgWBjnxgg1zep5bicNcQCQ==
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

2026-09-17T11:13:58.759667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043433
observed 25940bb6618062b3f824a351c5ac8ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.741724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043433/manifest.json
observed 67562ba5d97228925fc4631c0da72431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.723712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043433/publication.md
observed 12bea0a4bc0b05d4116fa85d9f02c949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.703285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043433/publication.txt
observed 812a9f6d70dd801bb1cd2e91f0ab11b6...
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.