OpenTechnical

OT-2026-000047478

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000047478) never changes.

Identity and time

Publication numberOT-2026-000047478 · never reused
Internal UUID01a0ae7f-3e58-780e-98c9-d60baf491cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047478
StatusPUBLIC

Content hashes

Canonical text47aec686fb6f416b66014df0e02936a1eede7f581deb6b5221c465879430b522
Markdown50ca0a9fb9d6dedefc7b95aa6ade649b8beec000a0dfd855af8a04eab25d2f91
PDF
Publication page381397e6201a015bdc21c83b3ee88d6d1c4f129a651da3f4677a961f07bab7db
Manifestd1b3a8d2dc65702df0e0be98dd123f98eca621728fb7aad32ef4ecc140a50a6d

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
SignaturexmdnKTJPyqj3ygQW31QKgkZXMmIyLHXnlTD0h/C1Rn+t3KDcNno3QOH7A2Qj1nfTRG/5UooEUZgJRhVma2PZCw==
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

2026-09-17T11:06:30.964121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047478
observed 381397e6201a015bdc21c83b3ee88d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.945847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047478/manifest.json
observed d1b3a8d2dc65702df0e0be98dd123f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.928548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047478/publication.md
observed 50ca0a9fb9d6dedefc7b95aa6ade649b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.903001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047478/publication.txt
observed 47aec686fb6f416b66014df0e02936a1...
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.