OpenTechnical

OT-2026-000067425

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067425) never changes.

Identity and time

Publication numberOT-2026-000067425 · never reused
Internal UUID01a0ae8f-6bd9-78bf-a72e-fb71e7fac5e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067425
StatusPUBLIC

Content hashes

Canonical text7fa62b1a34a6cfa76ce8f64a505a506f0f156cfe6e89bb262b653a7b7dfa2f6e
Markdown90a9fabc1cb6e040fb6323d13bc64716bfc9be0f6736838fb350928421307945
PDF
Publication paged2641ae16479065cbc80e80e388b129b3eab0ac029d3dc3303ec2827a71716e7
Manifest05e934b2d6cd746ed6173c264dabb3667d33daa3390f2d2b67e1d9c602228948

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
Signature9I/q6tS0lAFhYx4NsrypRlXjZVB/RifFOs6CUX4pvnjY5zlc+o45WWzpqLe8j3KLEhxIkMA7hPkQrRA1bPkOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:37.467663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067425
observed d2641ae16479065cbc80e80e388b129b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.451071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067425/manifest.json
observed 05e934b2d6cd746ed6173c264dabb366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.433687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067425/publication.md
observed 90a9fabc1cb6e040fb6323d13bc64716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.417461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067425/publication.txt
observed 7fa62b1a34a6cfa76ce8f64a505a506f...
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.