OpenTechnical

OT-2026-000012798

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000012798) never changes.

Identity and time

Publication numberOT-2026-000012798 · never reused
Internal UUID01a0ae6d-5563-78cf-97dc-494f03fa7032 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012798
StatusPUBLIC

Content hashes

Canonical text053799b32d089a3be3d7454804315b34201cea31ffcf2296e23a9ae09291dbfb
Markdowne7b534ea84fad5bc9a75091eae94c37f8f5de215a44b17b79cd873b809719f66
PDF
Publication page098a94cc74e22e5953b8595524b87a9f1ed51ad2fb3d154a1e599db47280dd06
Manifest3569099492359bdcbdb0ec4cf48a7b0bb883a34a1ed9cc3e412658bafea4920e

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
SignaturecpC1v1YEYHfbUgsrhLALWHG/RlSJbwifgtjuIBWeyQhNzq+FaSFMQTuNDHWWkQWCGIrAthTtOopAuPMvCBQJAg==
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

2026-09-17T12:10:31.467455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012798
observed 098a94cc74e22e5953b8595524b87a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.445549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012798/manifest.json
observed 3569099492359bdcbdb0ec4cf48a7b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.422448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012798/publication.md
observed e7b534ea84fad5bc9a75091eae94c37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.402629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012798/publication.txt
observed 053799b32d089a3be3d7454804315b34...
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.