OpenTechnical

OT-2026-000015987

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000015987) never changes.

Identity and time

Publication numberOT-2026-000015987 · never reused
Internal UUID01a0ae6e-0c4d-7839-a176-475759e59cee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015987
StatusPUBLIC

Content hashes

Canonical texta1815bd04169096f9b7ae1ee63327b49096a8f1b726b12b930efc25770088dfa
Markdown95e1364b9d4c1bd8cdfd35ff78c31d4fef739d78d371d82fe83b812e4c6c6be8
PDF
Publication page04fb5b16ccc4245729d62651323aebcb84286e06539c5ce6cdee339d09c3db12
Manifest96ff659c343b2a4620c645b1dfd6e003913a2b8460dc8fa36a1dc939a990bdaa

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
SignatureVOzmWq6m47EGjmvdSfIUJoe5e32+Pea2fB0YuWXPYc/XGXkJug6AHhU13f9PYEZtjIbg2Jjajp/B97+xVTgpBA==
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

2026-09-17T12:05:30.138532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015987
observed 04fb5b16ccc4245729d62651323aebcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.117997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015987/manifest.json
observed 96ff659c343b2a4620c645b1dfd6e003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.094294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015987/publication.md
observed 95e1364b9d4c1bd8cdfd35ff78c31d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.071006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015987/publication.txt
observed a1815bd04169096f9b7ae1ee63327b49...
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.