OpenTechnical

OT-2026-000089042

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000089042) never changes.

Identity and time

Publication numberOT-2026-000089042 · never reused
Internal UUID01a0ae9b-daff-7629-b4ce-2023820193ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089042
StatusPUBLIC

Content hashes

Canonical texta86640e4188b45236d628170b866e89c6ee87aff0bc1ba1b801f921fc7b91fdf
Markdown1a798a5e65bb4feec90b5a328b796c1bbc5665a39d0ec7af80858b65eac56618
PDF
Publication page715267cb2d86791ed0d233cc58ba8c43988b2e311f87f19e0cdd16a22f344450
Manifest96c74e157e367c4b909043ba06e95f23bad1ad520a70c73375252474a622ed69

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
SignatureGQWznep+o0TeHKiJmFJd0PLCtZ05Nn1TBoai5QUoZ2ZXUfn96hkC+Pl4gYYst3t6LFSafqch4EWHHSQHzihdDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:56.365565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089042
observed 715267cb2d86791ed0d233cc58ba8c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.349929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089042/manifest.json
observed 96c74e157e367c4b909043ba06e95f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.333034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089042/publication.md
observed 1a798a5e65bb4feec90b5a328b796c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.315864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089042/publication.txt
observed a86640e4188b45236d628170b866e89c...
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.