OpenTechnical

OT-2026-000028867

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000028867) never changes.

Identity and time

Publication numberOT-2026-000028867 · never reused
Internal UUID01a0ae73-2a9d-7e08-a586-695947b112c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028867
StatusPUBLIC

Content hashes

Canonical textc59be0cdb1093a3153030a8b1edce97e15d3143f2a1f555f49bee0c59aaff34d
Markdowna99f8f4bc98ebc6beaa0640d7cfbe6204c39b12716d0b879897bee44673f68ff
PDF
Publication page2045e301a8f0c10b24f483215ff22c9ff44e1ed8475a718c9a90825d7f305036
Manifest6a153c2d943a865d2d3b5522544708c44e199341366f098de48b1b651b0abfc7

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
SignatureCbF9B7NgQhG3DGDZTEi1NIj3I2yg1ei3H6f+TnTY7UUhpk/m73h3wiWEZPvCyCCXS23CYRazFIMOpd66PvxSDg==
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

2026-09-17T08:20:12.180072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028867
observed 2045e301a8f0c10b24f483215ff22c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:12.039978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028867/manifest.json
observed 6a153c2d943a865d2d3b5522544708c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:12.022656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028867/publication.md
observed a99f8f4bc98ebc6beaa0640d7cfbe620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:12.002919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028867/publication.txt
observed c59be0cdb1093a3153030a8b1edce97e...
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.