OpenTechnical

OT-2026-000045073

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000045073) never changes.

Identity and time

Publication numberOT-2026-000045073 · never reused
Internal UUID01a0ae7c-f768-7ba9-971f-49d4b11fc04e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045073
StatusPUBLIC

Content hashes

Canonical text5d7ca347fb813fad2c86e90e310b5105d48c20e2dc62f7ae6ca364202a77a7ee
Markdowna712c28649fae993068a99f9562f93eb04b755583392580746dadd091be6eade
PDF
Publication page517e351e9e01fca579e805b0df4efde2c535649718d06856d0f2bbe72de91ec0
Manifest3ed7259ab2fc023ef7a8d61758d0c4c62d0d02079926a17aa56c4f7e8271260b

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
SignaturefHAXFKBJn5sXF49kAU+XSXLVr95ixD1PE5g1cFNX2mO0bKOB0ce3S6TbwqfNYebzbeCuh6m0mgXcdnGjmW2aDg==
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

2026-09-17T11:10:06.459428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045073
observed 517e351e9e01fca579e805b0df4efde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.439604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045073/manifest.json
observed 3ed7259ab2fc023ef7a8d61758d0c4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.419858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045073/publication.md
observed a712c28649fae993068a99f9562f93eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.400787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045073/publication.txt
observed 5d7ca347fb813fad2c86e90e310b5105...
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.