OpenTechnical

OT-2026-000026225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000026225) never changes.

Identity and time

Publication numberOT-2026-000026225 · never reused
Internal UUID01a0ae71-a841-74d4-99fb-be982f017f41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026225
StatusPUBLIC

Content hashes

Canonical text4597e8503416aa41bb22e4adb7bd7aa27c4804904d21e23a09e608586438fd7f
Markdown54e66322823a276dccdd43bb4fed49c23173d15433711af375a2a269ee6fe611
PDF
Publication page1f0c8bc6832a5f4fe4eb48fbe187f1a8b37efd12f7c63a8cec5e920fc5938287
Manifest33a6c54cd8624037ec881319d3a9b8f377709fc02b1b7643f2006e2c06966432

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
Signature7cznJ4/6Pgxj7FEaQSDs1be00/WyB5rto39j6X0tLEDs1jH2oER1dUy/lrQ7JTYa1kCbY7jmegRqZKK273lnAA==
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

2026-09-17T11:46:45.213476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026225
observed 1f0c8bc6832a5f4fe4eb48fbe187f1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.192990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026225/manifest.json
observed 33a6c54cd8624037ec881319d3a9b8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.171123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026225/publication.md
observed 54e66322823a276dccdd43bb4fed49c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.148223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026225/publication.txt
observed 4597e8503416aa41bb22e4adb7bd7aa2...
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.