OpenTechnical

OT-2026-000039739

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000039739) never changes.

Identity and time

Publication numberOT-2026-000039739 · never reused
Internal UUID01a0ae78-d8d5-7d43-88c1-e2f4b75d21ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039739
StatusPUBLIC

Content hashes

Canonical textfdf0716b8add0f87904eb22b95fa88e0efd2897933e99f901cd4a59676023c2e
Markdown26451304d3d4c080513ebcb6b62acd71e47593a0dd801d4707907088d055aa79
PDF
Publication pagef1a91c0fd450a28589ae02434c474a9591d7f90520dd319b00d37e9d32e66548
Manifestf0e9596d1ac8b83b9b15c04400d8c43e75655f7b9c6b5f479de9840fc7cfe459

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
SignaturevqROMWT6M42IDqDfYPDbhq8lblFzVH22+U1yffDaeGztHo91xUfUO0NEfBKSM+igirj+LRwqZA63bxLhDZP4AA==
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

2026-09-17T11:19:57.109528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039739
observed f1a91c0fd450a28589ae02434c474a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.091484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039739/manifest.json
observed f0e9596d1ac8b83b9b15c04400d8c43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.070654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039739/publication.md
observed 26451304d3d4c080513ebcb6b62acd71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.052935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039739/publication.txt
observed fdf0716b8add0f87904eb22b95fa88e0...
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.