OpenTechnical

OT-2026-000085839

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before set-down

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-2026-000085839) never changes.

Identity and time

Publication numberOT-2026-000085839 · never reused
Internal UUID01a0ae99-e829-7bc1-ad46-cc4016799d83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085839
StatusPUBLIC

Content hashes

Canonical text437a1204d3a25da684d524e82e2514119cda21fa51a584c0ee449833991d28d3
Markdown7482e4b4a0c6bd2e6ed6ce18dff840dc35bc7b3826f5f2feb27ff3938963aabf
PDF
Publication pagead0c6dd541ff493135dc3259e660d99d3a494fa8835bbfbbf0168eaf008063b2
Manifest2bb1074ed371f25bc8dbdcf95314c47db766f6ac26fb11fa858773852605b369

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
SignatureBqLfR/U2MNXWUeGULsdr73wXdpFRpQjPRMp09NxurzqgDhablWWFG5SR0fNI5jviEDx04T/7akdbi7J4x0i6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:45.808603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085839
observed ad0c6dd541ff493135dc3259e660d99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.790684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085839/manifest.json
observed 2bb1074ed371f25bc8dbdcf95314c47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.772644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085839/publication.md
observed 7482e4b4a0c6bd2e6ed6ce18dff840dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.754269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085839/publication.txt
observed 437a1204d3a25da684d524e82e251411...
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.