OpenTechnical

OT-2026-000051463

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000051463) never changes.

Identity and time

Publication numberOT-2026-000051463 · never reused
Internal UUID01a0ae83-7c80-7f54-9580-becb8331e26f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051463
StatusPUBLIC

Content hashes

Canonical texta0fdc77df05da439a60fd801ed56ced472076f3ae1863a400646f5ffd4b12809
Markdown02758b205cfc48bd6a259118efa8ce08b1e5bb6159a43b1d9040768429ddf239
PDF
Publication pagebb21b8f6f51b3b8c2d9ac0eb174c3a4ea8372da6bac4e19e98837c3792d6c8b8
Manifest060c8ca34b9b03a80e6f7a0778b82cfccc18b4fb5783c377b835dddd3d618f05

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
SignatureajNkjnmd89vJDtqArJgBJYHxe2pf6E9DQwPIaQYCdb8yst/9FuSovDzrbDjnR+jvCKxfFqaeIWi4ajKujHTMAA==
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

2026-09-17T10:58:11.646434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051463
observed bb21b8f6f51b3b8c2d9ac0eb174c3a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.627677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051463/manifest.json
observed 060c8ca34b9b03a80e6f7a0778b82cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.609650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051463/publication.md
observed 02758b205cfc48bd6a259118efa8ce08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.591845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051463/publication.txt
observed a0fdc77df05da439a60fd801ed56ced4...
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.