OpenTechnical

OT-2026-000016155

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-2026-000016155) never changes.

Identity and time

Publication numberOT-2026-000016155 · never reused
Internal UUID01a0ae6e-2d10-7135-97f9-846fae055f43 · 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-2026-000016155
StatusPUBLIC

Content hashes

Canonical text8cd30cc2b7ce3f73e6e57a37f377f0a623382f21a014d7e0d8c30bd237877bd3
Markdown5c8ce4a9092c95a0410316b17bb290c1260bcd1c4069462e9e5b837df91bbb59
PDF
Publication page532268aa10c7f1b987253bc788cdbf57370da0f24c898602b1f9c4a008607f13
Manifest42b10ef002f8b516965bcf0b77540d922d7c64de3fa82ed51f54195e648b2268

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
Signature9rTe7ArpqmIEHkhMxCzMY2StDdK+oJCFa0ChFcW9tsH2FW2LG0uzNg0sVDiwkWCi3ZvdCZUz4AjVeqM8GDfaBQ==
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

2026-09-17T12:03:35.807204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016155
observed 532268aa10c7f1b987253bc788cdbf57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.786051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016155/manifest.json
observed 42b10ef002f8b516965bcf0b77540d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.765709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016155/publication.md
observed 5c8ce4a9092c95a0410316b17bb290c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.740198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016155/publication.txt
observed 8cd30cc2b7ce3f73e6e57a37f377f0a6...
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.