OpenTechnical

OT-2026-000018463

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000018463) never changes.

Identity and time

Publication numberOT-2026-000018463 · never reused
Internal UUID01a0ae6e-b48a-79e1-85d0-91548f7bd8a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018463
StatusPUBLIC

Content hashes

Canonical text63da12c2f5f050607fc96b1e8c262c41af5fd7277717ece855a0726afb70a122
Markdown616d6d5e3984426190b29780850a01436d5fecd42fa5d55ca5d4f3e1f42b5bb2
PDF
Publication pagee34a28b7983b2679acefc9d24c215eafcabaae4b3b3d9db2c60ae426c91fd8cb
Manifestb3de1e26c03b202e5ac7733e63c3fcc34c6fa9b4c611fd2c7af468c87c9c68e1

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
SignatureD3ssKBtFayWusdK7A5xbiQ/gdBecBYVyrlbkdLzh87gIaAyVPcGgbtp7VFSuVT/DFHUaTafqTNm6JN3JmLATCw==
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

2026-09-17T12:01:13.598623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018463
observed e34a28b7983b2679acefc9d24c215eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.581202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018463/manifest.json
observed b3de1e26c03b202e5ac7733e63c3fcc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.565646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018463/publication.md
observed 616d6d5e3984426190b29780850a0143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.548658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018463/publication.txt
observed 63da12c2f5f050607fc96b1e8c262c41...
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.