OpenTechnical

OT-2026-000010631

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, vented 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-2026-000010631) never changes.

Identity and time

Publication numberOT-2026-000010631 · never reused
Internal UUID01a0ae6c-0ee8-71db-8f40-775ed6855411 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010631
StatusPUBLIC

Content hashes

Canonical text137dbe2c1730cafc4d774ea8f8a533fd75003749154b78dbdac50d7f8b87ba78
Markdown71f7d1e2fe235be496e56ca4671b08d2464a5516bcd9d942b35bfd49a45da766
PDF
Publication page1d899479184215b8ccd7de959db6995836f6538944a4ac2fec61b82e0182576e
Manifest0dfdd6a81530ddc60c28aa0fcc5a6c45e475bc02568d4eb85ae86eb5937584bc

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
Signature3kcIk7HNkZizwuMppYZQb0GdJhvKepGouIOBFVtHFFrfoZSclxQvgV1vA1s/18NOfh+SzzwJhV8kedaLL7rGDQ==
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

2026-09-17T12:14:49.665806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010631
observed 1d899479184215b8ccd7de959db69958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.649482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010631/manifest.json
observed 0dfdd6a81530ddc60c28aa0fcc5a6c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.629230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010631/publication.md
observed 71f7d1e2fe235be496e56ca4671b08d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.610664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010631/publication.txt
observed 137dbe2c1730cafc4d774ea8f8a533fd...
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.