OpenTechnical

OT-2026-000016159

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000016159) never changes.

Identity and time

Publication numberOT-2026-000016159 · never reused
Internal UUID01a0ae6e-2d10-7a6a-b361-edd96e8fd223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016159
StatusPUBLIC

Content hashes

Canonical textfb957cfb7beb1aa6b4a793e2ada0607302f8e0d393199f099b5261e05116f874
Markdown2ffe4479a3a71065bbdc69103235deabf47218c8483229614e2ac06501839b53
PDF
Publication page06e675999a7f5765c2018e8aa5f62f93b80ee4036b22e431e388c6bffc67d9ee
Manifest0ab1d10afedf4b002e986cbcadd1297ff593e28b9bab7015ae547f390fd883c3

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
Signature+fnfWtjJU34oDlWUKXnVG/dGGRbA5pXWbZnqB1dAF9yIGJItqJXEXKBiJiRuKJPFqUINb04F4HPRrdhQ8AWnBw==
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

2026-09-17T12:03:36.150310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016159
observed 06e675999a7f5765c2018e8aa5f62f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:36.131724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016159/manifest.json
observed 0ab1d10afedf4b002e986cbcadd1297f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:36.111893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016159/publication.md
observed 2ffe4479a3a71065bbdc69103235deab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:36.091782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016159/publication.txt
observed fb957cfb7beb1aa6b4a793e2ada06073...
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.