OpenTechnical

OT-2026-000017504

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000017504) never changes.

Identity and time

Publication numberOT-2026-000017504 · never reused
Internal UUID01a0ae6e-76ca-75dc-9d19-200406957cbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017504
StatusPUBLIC

Content hashes

Canonical text6b4d259f5103974790786aa4575a8aabc30baf4fa828ab915f763f1d47908142
Markdownaf9a846d36d6afac8b334c423703a381aeca12474c612caea5ed776ea30215d1
PDF
Publication page55551290623f1c2fdefedb72d81231ae48ca07cc70a9b733dcf85de44055a40a
Manifest6918392f7513d2c485a27684653bbb7a482854ee347720313e04a040921a47ff

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
SignatureWUiMRzqV4F95cj21ZDpGlKA+7Q0+6higBUZDezGABUIGObcUM2ICNh+/ZpN51WpUNNA4jRmLnvh4ffVEB4DOBw==
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

2026-09-17T12:02:39.543145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017504
observed 55551290623f1c2fdefedb72d81231ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.525731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017504/manifest.json
observed 6918392f7513d2c485a27684653bbb7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.509238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017504/publication.md
observed af9a846d36d6afac8b334c423703a381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.492192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017504/publication.txt
observed 6b4d259f5103974790786aa4575a8aab...
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.