OpenTechnical

OT-2026-000057424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000057424) never changes.

Identity and time

Publication numberOT-2026-000057424 · never reused
Internal UUID01a0ae87-d5c7-77bc-a94b-3c1ca759fbfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057424
StatusPUBLIC

Content hashes

Canonical texte2a0ebc832f508776fc9e83c55487e8a17572b544a6839b8dd5dccd1d16f10a8
Markdownb4139478671dffab17da57eeca330c2e152a25bc62b47fb25ff76c0203fb6718
PDF
Publication page08f31f51e6d9eab6490a9e4a3329da53aed1510d284e1b6b452aeaf97586ec22
Manifeste65002109a8f6f0c3f7063de0f6adea031b3cffe9a58337dcca5aa7551f1e0ba

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
SignatureBjYzEat8n+UiamLjHzzVi/CJzt5h+8DVfcuJ0Uxnp9idaC7q27zZkgvnWRaO3nOhUvCvbMNF5rIfN7c9xFAUBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:42.967939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057424
observed 08f31f51e6d9eab6490a9e4a3329da53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.949933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057424/manifest.json
observed e65002109a8f6f0c3f7063de0f6adea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.932830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057424/publication.md
observed b4139478671dffab17da57eeca330c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.915491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057424/publication.txt
observed e2a0ebc832f508776fc9e83c55487e8a...
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.