OpenTechnical

OT-2026-000038952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000038952) never changes.

Identity and time

Publication numberOT-2026-000038952 · never reused
Internal UUID01a0ae78-76a0-79c2-ab32-e90fd8ed4db6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038952
StatusPUBLIC

Content hashes

Canonical textc6ff18368f992bd98983c65af8186a3b62db8eade9265f163a00d8715d33865d
Markdownf5bf4fed4b86b10c0f82d9c549a2a39c049510c902c82820bc3b530192a0c348
PDF
Publication page78ecb83c6a01df433397db784b20225d9eb958fd1458e107b461a0a19e2ef9b7
Manifest238c38afcf3021856125cff99a9c3bf5a820786c4dd75f2a26ebf2ea191dd541

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
Signature6jnBuPSaWwam873ZV1k6kUcAg9N67ZZIX5Jf4k4V93g8j0YIs4sW7vYR+QxNc5QmGQ7oqZY8RqC1uRIRY0drBw==
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

2026-09-17T11:22:13.424431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038952
observed 78ecb83c6a01df433397db784b20225d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.408460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038952/manifest.json
observed 238c38afcf3021856125cff99a9c3bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.391632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038952/publication.md
observed f5bf4fed4b86b10c0f82d9c549a2a39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.376412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038952/publication.txt
observed c6ff18368f992bd98983c65af8186a3b...
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.