OpenTechnical

OT-2026-000042157

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000042157) never changes.

Identity and time

Publication numberOT-2026-000042157 · never reused
Internal UUID01a0ae7a-5d71-746f-9d95-2e0086668044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042157
StatusPUBLIC

Content hashes

Canonical text316366a80a408e9edfccca4938590cd34ccdf74ee7fcbb7ce5350efe140eab80
Markdown2bbf6b2274aa58a2bc0250d09d011d1635f215b2197446b02f7447c9b28778d6
PDF
Publication pagecac7b959dbf6f23f0b12d99c68019e6b16e42d7e1a383025b0407e20abe03ebd
Manifest973803896ef5fca8724cd22a25d3ffd20b809dab1680e213306db390a98da92a

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
SignatureWDBUCr1/nQWgjP30/vEjX1nclZpXPLJ30DDHRgEpLWXnpB3qlZiJ1BlrtJ0zmeNsa5soU+iXTQi2yO6wX7sZDw==
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

2026-09-17T11:15:42.812054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042157
observed cac7b959dbf6f23f0b12d99c68019e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.792070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042157/manifest.json
observed 973803896ef5fca8724cd22a25d3ffd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.773453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042157/publication.md
observed 2bbf6b2274aa58a2bc0250d09d011d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.754188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042157/publication.txt
observed 316366a80a408e9edfccca4938590cd3...
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.