OpenTechnical

OT-2026-000045057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000045057) never changes.

Identity and time

Publication numberOT-2026-000045057 · never reused
Internal UUID01a0ae7c-f768-751c-8dcd-63d057d517a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045057
StatusPUBLIC

Content hashes

Canonical textc839f35a3e4bb83d7004f5018c7acff39d250248b63dff7f35158cd1c437f498
Markdownbbda3a7aa5f200b0bcf8ab81fc7cb3d7154f2c83022d6cf8068d02fc8ac455c3
PDF
Publication pagef9b43bbb27c4a5d0d4dcbdbf87859480dfb0ee0c8a66e4aa1a89d022b57ac231
Manifestf489f829634fa6b4617be59ffd0454b1492dada162a0cfa8e4f7f427750d1264

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
SignaturemTTYVsCaqbgy4VOxQfOoj8wTVrm7u4SByV5+L1PrREuLE5Xx4jx3ulqBdaKOWZqxyhUo/9Bd2zbjjTHKbEvGBg==
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

2026-09-17T11:10:04.946613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045057
observed f9b43bbb27c4a5d0d4dcbdbf87859480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.920551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045057/manifest.json
observed f489f829634fa6b4617be59ffd0454b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.897171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045057/publication.md
observed bbda3a7aa5f200b0bcf8ab81fc7cb3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.876983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045057/publication.txt
observed c839f35a3e4bb83d7004f5018c7acff3...
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.