OpenTechnical

OT-2026-000044509

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000044509) never changes.

Identity and time

Publication numberOT-2026-000044509 · never reused
Internal UUID01a0ae7c-39d8-7cce-bec1-bcf7c46da66c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044509
StatusPUBLIC

Content hashes

Canonical text7a84289c6d395601bff98bc280c885f793848a09f2b2d5c7795cd5b51056dafc
Markdownf286c582d9e5c226d3abb8dabe9172bffb8d0472711e475202a32ff23e9d0d36
PDF
Publication page81819bbe347dffe5fe1a2e6299b06d110dbed165d06970906ac1780323865acf
Manifest34b9f54388eec94da7994c2efb956e190395960b569c31586fe280245aadd609

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
SignaturexzbJpcIhSz3gcevXe+SRLcgcgxH9Z9fkqpbfTdqvw9zFpb3T7q3gps+bbHYDTfbk6YrwX5x1tvgNbJvELdWQDw==
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

2026-09-17T08:31:00.303524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044509
observed 81819bbe347dffe5fe1a2e6299b06d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:00.284049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044509/manifest.json
observed 34b9f54388eec94da7994c2efb956e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:00.265605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044509/publication.md
observed f286c582d9e5c226d3abb8dabe9172bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:00.246036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044509/publication.txt
observed 7a84289c6d395601bff98bc280c885f7...
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.