OpenTechnical

OT-2026-000029825

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000029825) never changes.

Identity and time

Publication numberOT-2026-000029825 · never reused
Internal UUID01a0ae73-ac47-7675-a1d5-d790a24f062b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029825
StatusPUBLIC

Content hashes

Canonical text55f332856db5ee027bee9b254c6794ef716b5b476936562876a8dad3cc0dde19
Markdown7e5ce48ce96089b9393da9690d0b6c15209ee0e1cfe7714ecdf3999983648505
PDF
Publication page4c1b31e21654d289f4b0c0241e50dbc04fbb59a8f284bed18bbde6db3c4f021b
Manifest95b50e2adb6bcc8631390850c34fe0f9e3bb86c8abfd8d7daa687578e16d7671

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
Signature1VxVbOCltOrv+34FobJ7bqT04zq689No3EFy/koBSashv6cfG2h5zSvWtJ+ZZ1zhKEJddaUmQHi+xcTneF0NBQ==
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

2026-09-17T11:38:30.096078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029825
observed 4c1b31e21654d289f4b0c0241e50dbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.078190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029825/manifest.json
observed 95b50e2adb6bcc8631390850c34fe0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.061846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029825/publication.md
observed 7e5ce48ce96089b9393da9690d0b6c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.044791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029825/publication.txt
observed 55f332856db5ee027bee9b254c6794ef...
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.