OpenTechnical

OT-2026-000030570

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000030570) never changes.

Identity and time

Publication numberOT-2026-000030570 · never reused
Internal UUID01a0ae73-e505-7d10-a57f-5d8aafc8494f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030570
StatusPUBLIC

Content hashes

Canonical textb9cbf138cf8c0441a781e2b6f2ad73972fe7edc1dc485430a644020283b81489
Markdown69fd1ebb0e33d0db60c8c0bcb28373afdb2d8e0471413dadb68f770a9caa726f
PDF
Publication page14ed5f89f2df6f4c7dfe86ba8a5e2c2977629db7439418ade8b9f1fdff8864c9
Manifest7a16ca05083f4a2ea74ef03fa7660c65890c372a457342e314c8727cbefa9065

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
Signature9J4IZwIGrMH3mQZNKZ7Zqk+uNjR3zW+JlqQP+jC1WyxWgMlF9wo2a+ZMLUsg3Ic9t1lkTNt0booTE+vadM02CQ==
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

2026-09-17T11:38:26.168222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030570
observed 14ed5f89f2df6f4c7dfe86ba8a5e2c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.149983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030570/manifest.json
observed 7a16ca05083f4a2ea74ef03fa7660c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.130652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030570/publication.md
observed 69fd1ebb0e33d0db60c8c0bcb28373af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.114022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030570/publication.txt
observed b9cbf138cf8c0441a781e2b6f2ad7397...
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.