OpenTechnical

OT-2026-000060280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000060280) never changes.

Identity and time

Publication numberOT-2026-000060280 · never reused
Internal UUID01a0ae8a-5a74-77c9-bfb0-c21beb48e5de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060280
StatusPUBLIC

Content hashes

Canonical text4578df77aed1c6bafb55b6005dd77936be7d03901342c100f79557966548fa00
Markdownabe364fff78d77feb13364fbc4110a8f3e011194b5fec70e4ac1aea9e218d86c
PDF
Publication page5c0cd9d8a0e872959d58c0d8505611bdb5b7c79486f66841337332a6bb61ef8e
Manifest12a996e7b3f1033aa790e0b44f2cd388f1b2ef0a7209ed27150d64b2df5c39df

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
Signature3JgVL2q25XNfXVZ3nBplI3/yAxnTBxEv9Pm+3RDRh7cPVg6RveImlrxWdTC951qPG4H4D57ZFsyYrQFnVYwXDQ==
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...

Independent retrieval

2026-09-17T10:43:59.162545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060280
observed 5c0cd9d8a0e872959d58c0d8505611bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:59.143763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060280/manifest.json
observed 12a996e7b3f1033aa790e0b44f2cd388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:59.124158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060280/publication.md
observed abe364fff78d77feb13364fbc4110a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:59.105912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060280/publication.txt
observed 4578df77aed1c6bafb55b6005dd77936...
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.