OpenTechnical

OT-2026-000041441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000041441) never changes.

Identity and time

Publication numberOT-2026-000041441 · never reused
Internal UUID01a0ae79-b145-7438-a882-2d55f2935726 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041441
StatusPUBLIC

Content hashes

Canonical texta84c04be4ef8346aa0f432d4faf49d5e027fb5ac44c4647568f11d3c7b2ee60f
Markdowna3045d83d7dc01831ff347e7eddd05e60bbc665769cacd5080b611015740f84e
PDF
Publication page427a506a09778440e1d6266fd7e2fdc08f25fb99994834f2b5c30d15439b2527
Manifest1d14406861f00e3c97236db9325627090274178f232d5f87d75d2810bf4af2e3

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
SignatureNqwXZW9k+ZA+954bXx95qAqs4HXPTzy1XvWUGl6BrWzfUh4ZQJrap5m15TOjLQQAz3jRflGS6lw3iftV6mGMCA==
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

2026-09-17T11:17:27.807557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041441
observed 427a506a09778440e1d6266fd7e2fdc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:27.789392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041441/manifest.json
observed 1d14406861f00e3c97236db932562709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:27.771780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041441/publication.md
observed a3045d83d7dc01831ff347e7eddd05e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:27.752147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041441/publication.txt
observed a84c04be4ef8346aa0f432d4faf49d5e...
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.