OpenTechnical

OT-2026-000046321

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000046321) never changes.

Identity and time

Publication numberOT-2026-000046321 · never reused
Internal UUID01a0ae7e-57cb-7615-bbda-96fd5020b60c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046321
StatusPUBLIC

Content hashes

Canonical text526696007e59a0f09d9bffccfc458e1a6af87accd2306a86ce681e37a4cd922c
Markdown9606d32f56daf2ddad4cfda99e30bc6d2c9b589d36af28365349e1f1408574ea
PDF
Publication page42dc91c70aa9be5cd47f9cea127092d28924ea467ea423afb5aedc9c89ff623d
Manifestfc88023ddcf5daf36464c95b92fd38d3ff012b35b00d6ca315ddfb2dab415705

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
Signature9if8hV0HnACLJWJw1M3IdHBRgObKkM35wbGylvxKP2tyWLwTlbtN1SAcBdIKSXF8VLbBPyq0nrMoe2AtjjMzCw==
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

2026-09-17T11:08:17.969381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046321
observed 42dc91c70aa9be5cd47f9cea127092d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.951314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046321/manifest.json
observed fc88023ddcf5daf36464c95b92fd38d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.933230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046321/publication.md
observed 9606d32f56daf2ddad4cfda99e30bc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.914538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046321/publication.txt
observed 526696007e59a0f09d9bffccfc458e1a...
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.