OpenTechnical

OT-2026-000033978

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033978) never changes.

Identity and time

Publication numberOT-2026-000033978 · never reused
Internal UUID01a0ae75-df0b-7985-ada5-fe6fe88ff799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033978
StatusPUBLIC

Content hashes

Canonical textd9f3a10476dec441454bb202f2a816e9dfd687ed9dc3d61e6e9ee9f92f2e7a60
Markdown4070a7b0f993e07098c69d4c20b55a736ee53d3c92f109719c69eebde98aabbf
PDF
Publication page61f6885d483cb45ae1651f1b76fcf87f53458fb810802e5edf3df531c0fff697
Manifest63c59fc57bf6d95a31f0451c52c42ea6530a6c316ec04c8735692b877c0dfe93

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
SignatureCr9qfuO/M09Cu/TKQcz140RYEwf0BvKKyV0ylcDScBaqpejQ3KjpDOurg1+o+Fpj0jZKiJPpRhmIHO8OepZhCA==
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

2026-09-17T11:30:06.755772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033978
observed 61f6885d483cb45ae1651f1b76fcf87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.736757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033978/manifest.json
observed 63c59fc57bf6d95a31f0451c52c42ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.716992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033978/publication.md
observed 4070a7b0f993e07098c69d4c20b55a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.694312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033978/publication.txt
observed d9f3a10476dec441454bb202f2a816e9...
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.