OpenTechnical

OT-2026-000022841

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000022841) never changes.

Identity and time

Publication numberOT-2026-000022841 · never reused
Internal UUID01a0ae70-46ea-7e86-a9d4-5466018bfdb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022841
StatusPUBLIC

Content hashes

Canonical text3eca96711a38f7158599c4796a18224e0faeeddbb740ba9596ad8306cf3e70a9
Markdown992a69641bf063cd287008e8541187d37b47edd3d955c43d314aa13931d34d85
PDF
Publication pagea9ed74b2f1444b069ab569bc2a4352e9541031d1be514a5cd48bbb50a9f09974
Manifest8c98e180d5a83baba86d3bc84f7ea0f564f94e1f71c8b25de33906da7a1e46a6

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
SignaturejTeI+tO1woMFwJvZo5l4G/EXbmR/wxDAIwMBmM55tQUItDdo40g0i0RotmEDkzQIv2xKuXo2rdQ1VsKc4Cx1AQ==
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

2026-09-17T11:52:22.613136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022841
observed a9ed74b2f1444b069ab569bc2a4352e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.595984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022841/manifest.json
observed 8c98e180d5a83baba86d3bc84f7ea0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.579183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022841/publication.md
observed 992a69641bf063cd287008e8541187d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.553924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022841/publication.txt
observed 3eca96711a38f7158599c4796a18224e...
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.