OpenTechnical

OT-2026-000026258

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000026258) never changes.

Identity and time

Publication numberOT-2026-000026258 · never reused
Internal UUID01a0ae71-f4a5-747e-ae17-51ec7a4f0de8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026258
StatusPUBLIC

Content hashes

Canonical text69cfd6c9354705007c64245d8dd72bcb1bffb23c28bf2b8a6539ce17e7b5713b
Markdown671e3efecfc1a916d4de584e8b3b9166570c4af77f8efbb4763e275115246c4c
PDF
Publication pagecfd280bc901a2dbaccf5a8a596038c290bdacd3f85417f772b30d56d6206e175
Manifest413339edadace25da99b1919d9ea02da643104573d7ddb921b42693f637eec8e

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
SignaturevD4GeXDFudG74hYTmkEeBpwchS1SRzteDCxfdYarqAFQH4YoOCZug01T/95Jxeu66l/dSOQKGyuJAdsaUefECQ==
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

2026-09-17T11:44:11.371964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026258
observed cfd280bc901a2dbaccf5a8a596038c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.355731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026258/manifest.json
observed 413339edadace25da99b1919d9ea02da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.306776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026258/publication.md
observed 671e3efecfc1a916d4de584e8b3b9166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.248759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026258/publication.txt
observed 69cfd6c9354705007c64245d8dd72bcb...
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.