OpenTechnical

OT-2026-000017694

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum 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-2026-000017694) never changes.

Identity and time

Publication numberOT-2026-000017694 · never reused
Internal UUID01a0ae6e-96fa-756d-8ea2-bf0aa45d9adc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017694
StatusPUBLIC

Content hashes

Canonical texta615271d3b06a9bdae21d1106d19ea0c917c686af49458048a518bade5e6ff86
Markdown63317477403f11c4a8e0e6f8a4f845e6cf5a0abdeca9fdff7c233e1a824d14a1
PDF
Publication page27374839f071b238f33e49d0e149dfd2ce096eb1a0074889448ec318c917bea9
Manifestf14374d8c790ada175c3f0a840c47b4cab9f6b34a4c3489b5caa7cd29b4e7761

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
SignatureDNKdp4Et/HjI8Py3NRMvv7cicZzvwA6pZcEktnvfE0v0py+4nDYkZP72h1Jkivuyi7al/fY0nR8MRGbdj9qYDg==
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

2026-09-17T12:01:38.466204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017694
observed 27374839f071b238f33e49d0e149dfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.448206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017694/manifest.json
observed f14374d8c790ada175c3f0a840c47b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.429354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017694/publication.md
observed 63317477403f11c4a8e0e6f8a4f845e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.410601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017694/publication.txt
observed a615271d3b06a9bdae21d1106d19ea0c...
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.