OpenTechnical

OT-2026-000047637

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000047637) never changes.

Identity and time

Publication numberOT-2026-000047637 · never reused
Internal UUID01a0ae7f-c41e-72dc-80ea-9de7c72d04fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047637
StatusPUBLIC

Content hashes

Canonical textca75479f6d3d78039c47579dc1b98f2d5eace8d43ea1be91c3faf5cd6afbffb3
Markdown906cf27e9025a8a9a0800f132d693f40fcb3c087a28d35b79d2acee5f0a68cd8
PDF
Publication page08447a7beedfa15ba68a3f341bab39ef6d40e0e2ccb134507a3fce02a2867be2
Manifestb6957354f5b69925b1f3c53539934061fffda1b013a2c2846e8b0bf2330f6fb1

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
SignatureuVQnYqB9w/A0c1RyLhVt3PuiEyJRrmRQ26yakzh8sln8LhtSYw/uDF7vk1VwE/PKW9V6fYJjUJUcUCjBqynzCQ==
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

2026-09-17T11:05:27.956006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047637
observed 08447a7beedfa15ba68a3f341bab39ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.937842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047637/manifest.json
observed b6957354f5b69925b1f3c53539934061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.918851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047637/publication.md
observed 906cf27e9025a8a9a0800f132d693f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.899365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047637/publication.txt
observed ca75479f6d3d78039c47579dc1b98f2d...
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.