OpenTechnical

OT-2026-000026269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000026269) never changes.

Identity and time

Publication numberOT-2026-000026269 · never reused
Internal UUID01a0ae71-f4a6-7498-88ec-b6b101ca91c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026269
StatusPUBLIC

Content hashes

Canonical text0b1f0767dbd8988a4bf09215dbf83a38fe9af8ff1b056fe3669f2e98ca0a1622
Markdown10cfc03bd208c680655704e1c5c00952b85967a1f4aa91a3b07eba429fc3edc6
PDF
Publication page235c53520633feaeaee458188da09572f36045b7b97a603fb463d099e734339f
Manifeste65a4a55d3125fd92123781b2c7400964ec52efef89b9e53b2570db9a4730847

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
Signature5l1UryrSZyrg6fJoDborL5NezlZ3cRH56kr0ZwnUI5fzDvoRM28uuw9gdzjJtXt0BTTTsa/y08NaPwdZsCJoDA==
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

2026-09-17T11:44:12.876660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026269
observed 235c53520633feaeaee458188da09572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.861353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026269/manifest.json
observed e65a4a55d3125fd92123781b2c740096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.845303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026269/publication.md
observed 10cfc03bd208c680655704e1c5c00952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.830205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026269/publication.txt
observed 0b1f0767dbd8988a4bf09215dbf83a38...
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.