OpenTechnical

OT-2026-000056537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000056537) never changes.

Identity and time

Publication numberOT-2026-000056537 · never reused
Internal UUID01a0ae87-7af5-7aee-856c-76a6fd927a0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056537
StatusPUBLIC

Content hashes

Canonical textdde77c01d6ce213bdac54585760b4d963bf3e143927c9c1bb725f32a7897ef24
Markdownb2336fb613d81da3c00f19d02af4da8eafaae3efe35d2e856b1d1abd7edb71c4
PDF
Publication page2ff9094397ffd5714001e66f147a5632bb9478d00cebf1584b0e5b895e580233
Manifestb8851520e36f29438761f1d4c7a5a0e32c0abe201fdc7d80f1b419f171644a26

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
SignatureWbdJms22K7sQ0qneKqGwXjaC5oZYasU4rNCQLl80S/vvbPHIH5mP5QW/gejdTOLpZuGLAzhqWXtMyi94OOCEBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:52.030094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056537
observed 2ff9094397ffd5714001e66f147a5632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.009791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056537/manifest.json
observed b8851520e36f29438761f1d4c7a5a0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.990537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056537/publication.md
observed b2336fb613d81da3c00f19d02af4da8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.971618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056537/publication.txt
observed dde77c01d6ce213bdac54585760b4d96...
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.