OpenTechnical

OT-2026-000059205

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000059205) never changes.

Identity and time

Publication numberOT-2026-000059205 · never reused
Internal UUID01a0ae89-8613-7ab1-95e5-b52db7e1ec1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059205
StatusPUBLIC

Content hashes

Canonical texte156e522facacf1bb140572e250ed341d752c867f73a4291cc157d9e18ad1030
Markdown9bd007eea3ee7d1fd83f22da493277ff72f4b610a15fb2a641f8751f656d2841
PDF
Publication page7d85044306c9ff8de1d64da7e2e238f4c77cb791256a059275c5bf95a5fb8253
Manifestc572d73dcda62e181f28c2117ce4c3b6982e229159fcdd90e860ed0f21fd5867

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
SignatureITbkbGe4Ek/k9nCQbw0YZV1wRBn/5zpq7uU5at/1wIPyLhkyd2SDUmmZQ2jIwcY05hKcYduOBMOCm37o/k5oCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:10.100788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059205
observed 7d85044306c9ff8de1d64da7e2e238f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:10.082058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059205/manifest.json
observed c572d73dcda62e181f28c2117ce4c3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:10.064096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059205/publication.md
observed 9bd007eea3ee7d1fd83f22da493277ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:10.046753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059205/publication.txt
observed e156e522facacf1bb140572e250ed341...
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.