OpenTechnical

OT-2026-000036180

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000036180) never changes.

Identity and time

Publication numberOT-2026-000036180 · never reused
Internal UUID01a0ae77-01cf-79bd-ac95-1df1e028c9e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036180
StatusPUBLIC

Content hashes

Canonical text8491edce0c519c352e341eb398a78fa8cccc8e7a8ec538a2209cf2509d9bde7f
Markdown62b86e66c40dc452c508d44c772add67a744eade7a18c78226686fdde8dfbdc7
PDF
Publication page7eab50090b89ce11b5e2d486c1618b075cff2a1990a20301b323f6571f8a83bd
Manifesteda64be8e9d7c48c062d59e9beb545df568dff11875e9120578fb7b5b9fefc44

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
SignatureFUcW5lH8TDJpSpg7sGz6EuPJKcjz1FoPtE2mEGegKZs+VKwIuGQ60TgbP68q+UjjbVvOyFBB4/l1f9YjxhLHCQ==
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

2026-09-17T11:26:24.645508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036180
observed 7eab50090b89ce11b5e2d486c1618b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.626994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036180/manifest.json
observed eda64be8e9d7c48c062d59e9beb545df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.610365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036180/publication.md
observed 62b86e66c40dc452c508d44c772add67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:24.592634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036180/publication.txt
observed 8491edce0c519c352e341eb398a78fa8...
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.