OpenTechnical

OT-2026-000031373

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000031373) never changes.

Identity and time

Publication numberOT-2026-000031373 · never reused
Internal UUID01a0ae74-87ad-7d22-92c3-531383b256fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031373
StatusPUBLIC

Content hashes

Canonical text95ed11c1a4a73d5265c4cc77a99939f5a0257a674617513da58068af19ab0b01
Markdown60bd85e54913ef8f9b00823ee867d3d1974e8bda9c632426447fef9bf41ac050
PDF
Publication page349ca77aedc6e91c08a40efad554471f1f0644685f42ca0225c920ca2c3524c7
Manifest318e57915888a15c94987128f7de99aae6a3b55129adba3ecb4dca922a356858

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
SignatureIuNLBr57tclEOkb+P//Y4n5lKyE0kDMHsfY+b1ppDD1tSXqHOvycBP/yRBlTOb9UhBUH3h3+mUKThOFVS08HDg==
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

2026-09-17T11:36:04.696288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031373
observed 349ca77aedc6e91c08a40efad554471f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.673635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031373/manifest.json
observed 318e57915888a15c94987128f7de99aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.655250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031373/publication.md
observed 60bd85e54913ef8f9b00823ee867d3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.637273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031373/publication.txt
observed 95ed11c1a4a73d5265c4cc77a99939f5...
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.