OpenTechnical

OT-2026-000091850

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091850) never changes.

Identity and time

Publication numberOT-2026-000091850 · never reused
Internal UUID01a0ae9d-43ba-7d02-a73b-e01befb4a942 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091850
StatusPUBLIC

Content hashes

Canonical texte929cfe12a97fedbef4d3933b3edb0c2c8cea8c79fc4a729fdb24a125e7e39d6
Markdownbe466136a1cb0269a653a26e369f32508d37655ea222ad78a3ba22f544ba2e5a
PDF
Publication page383f266864df6459b91b2b8d467c1311f1a7ee958ff1c21a6e6eaedaad4725be
Manifestd6b9a2ea904812dc3073ae1e0a940c04e21f1816a842de114a2842e85217e6b9

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
SignaturevRdgrlo+ZLySNzs0RhRaeFe/uTQJ+8yJqGPBA+9IcKQVMGg+nG44O8QMBQn2CiC35bLBgBAV09VXBFwMQAYgDw==
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

2026-09-17T09:42:46.413732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091850
observed 383f266864df6459b91b2b8d467c1311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.396696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091850/manifest.json
observed d6b9a2ea904812dc3073ae1e0a940c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.379269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091850/publication.md
observed be466136a1cb0269a653a26e369f3250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.362615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091850/publication.txt
observed e929cfe12a97fedbef4d3933b3edb0c2...
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.