OpenTechnical

OT-2026-000016746

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000016746) never changes.

Identity and time

Publication numberOT-2026-000016746 · never reused
Internal UUID01a0ae6e-5918-79fa-82f4-c457ef057f91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016746
StatusPUBLIC

Content hashes

Canonical textb91def5a632f3f3cbb3aa24ce95fcb0e9487719b0d1b13bbe1b72bf4ac11558e
Markdown1121c128779adcc4e337b3e06590ade5cad8bd4f54fd0fc32eb0fc438baca17e
PDF
Publication pageaec13268145631861828155e5bbb44fe12600fb38b0b09c3ca4ff15c992f68aa
Manifest409784ebb95887436726079f1b4899622588b7ddc5d01db253f897da7acbe37f

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
Signature/eis5xH9Bp3kPkewZyD4EpNEDq/EKq1mHR1bkirWrWCReS8/cWIDmOF0y+W/8SRVOwHWqS0TBZp3qA4X1sBLAw==
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

2026-09-17T12:02:58.741945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016746
observed aec13268145631861828155e5bbb44fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.726403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016746/manifest.json
observed 409784ebb95887436726079f1b489962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.710014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016746/publication.md
observed 1121c128779adcc4e337b3e06590ade5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.693535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016746/publication.txt
observed b91def5a632f3f3cbb3aa24ce95fcb0e...
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.