OpenTechnical

OT-2026-000069841

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069841) never changes.

Identity and time

Publication numberOT-2026-000069841 · never reused
Internal UUID01a0ae91-185f-7b9f-9dfb-eba89be6bf18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069841
StatusPUBLIC

Content hashes

Canonical text7b81c0a43f6760ce3cacb214a2a8761ddb984a95a16b24c40ac354380d5b0da2
Markdownf649e5001a59272d9d658f823da4870c91c889bd3fed36c053fc8479f76b2032
PDF
Publication page4b5173953443687003e7df91389fea0870ceb7480f3813e28be9282294bfca51
Manifestbc987e438b63dfee1b6a2f0a9fb43bbf3402a5ef8cbd87f799f970171ff382a1

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
SignaturekRlz2tfKbS+R8kv8hFZ2WeQKtK5T2rbL8TLnHjase1W1sXtPB/z6F998Q1TbMZ6V91/slZ/4gxrzwgQgRyotDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:40.414454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069841
observed 4b5173953443687003e7df91389fea08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.397809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069841/manifest.json
observed bc987e438b63dfee1b6a2f0a9fb43bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.379079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069841/publication.md
observed f649e5001a59272d9d658f823da4870c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.359215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069841/publication.txt
observed 7b81c0a43f6760ce3cacb214a2a8761d...
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.