OpenTechnical

OT-2026-000015226

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000015226) never changes.

Identity and time

Publication numberOT-2026-000015226 · never reused
Internal UUID01a0ae6d-ef48-7c39-8e92-042630f79277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015226
StatusPUBLIC

Content hashes

Canonical text24f65027cb798cb62e40f0c6d166ed9c4ace70ec09d9158497f30e9daa93f106
Markdown032ac78fc96fdafba1f719b4eb5d55ab258ea3093496ff320283121afd7d3204
PDF
Publication page301790010c6fc39dc58037c2defb5b1529450df50f00aff56b7ff99f944f5878
Manifest368e2fa4759ba5011519c7a47abd0dab6c49fdb1552c2cc697cce14dbd3f2e21

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
Signaturem2e64ZcxkkY/EnVgepJnohGBypDK+KTNO+k1I+qFeUiSzNR+eZzpzAi6/PMcFl7yY1i/TlsPVS0y2Uwl7qX3Cw==
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

2026-09-17T12:05:52.021106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015226
observed 301790010c6fc39dc58037c2defb5b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:52.000481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015226/manifest.json
observed 368e2fa4759ba5011519c7a47abd0dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.982651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015226/publication.md
observed 032ac78fc96fdafba1f719b4eb5d55ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.963651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015226/publication.txt
observed 24f65027cb798cb62e40f0c6d166ed9c...
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.