OpenTechnical

OT-2026-000007665

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000007665) never changes.

Identity and time

Publication numberOT-2026-000007665 · never reused
Internal UUID01a0ae62-76bd-77a3-af25-b7bb9fba2648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007665
StatusPUBLIC

Content hashes

Canonical text10d07c7a64efa03fd2292d3b7e5be65484204ee3cc75b854eb75889ef68da0d7
Markdown8f30a5c082ce98cc69603b140372bab6dbb0fab1fb8ca1fc488e81b565d9be5f
PDF
Publication page44ed0904dd4d8cc08a36cfba750804187c4a6bb5406511e055522495bd0ec302
Manifest9f49588674390a623faab3103a09e2d6f6712efc2372afc22bdc0ea31b56522f

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
SignaturectKBDMEaK8PRsQ/thkCC8JLIXaRBP8CTHtotzJmJvv1wGY/c5Qf8jujmT0OzQJXx47p2bJSVioYpMqp7m2x0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.310485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007665
observed 44ed0904dd4d8cc08a36cfba75080418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.294007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007665/manifest.json
observed 9f49588674390a623faab3103a09e2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.277430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007665/publication.md
observed 8f30a5c082ce98cc69603b140372bab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.257912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007665/publication.txt
observed 10d07c7a64efa03fd2292d3b7e5be654...
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.