OpenTechnical

OT-2026-000043465

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043465) never changes.

Identity and time

Publication numberOT-2026-000043465 · never reused
Internal UUID01a0ae7b-92ce-7f51-85a7-1773d2cb9823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043465
StatusPUBLIC

Content hashes

Canonical textb1d68be5ffc4db93675eb32a19c036cd9bbe7941019b5db0fa4a3aacfdcc623c
Markdown5048634c1a6e80085964033d29cc7cc80fbfe5d6c00b0fbdcaedc17fe11e6aca
PDF
Publication pageeef4c7a47bb38331c2eac9381953c78346b52a00231313e9275d725b035a01c7
Manifest8621849dd10d433a44f0c65680adbc715980b1faae9c756317352533db45d425

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
Signature6PiZ+sDc83lQ4UOhXbnl+9P+9yvwQRqUNJvWFRTPsvSGtihkJZa4zqZbZNv05XR5q+y/PZ8zJBrMhwoV5xuCAA==
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

2026-09-17T11:12:49.088582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043465
observed eef4c7a47bb38331c2eac9381953c783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.069230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043465/manifest.json
observed 8621849dd10d433a44f0c65680adbc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.050389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043465/publication.md
observed 5048634c1a6e80085964033d29cc7cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.032384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043465/publication.txt
observed b1d68be5ffc4db93675eb32a19c036cd...
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.