OpenTechnical

OT-2026-000013394

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000013394) never changes.

Identity and time

Publication numberOT-2026-000013394 · never reused
Internal UUID01a0ae6d-6fca-7b50-b245-fc3f6c5577c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013394
StatusPUBLIC

Content hashes

Canonical text80e38b59165131c6da51948f138222c649ec053688dc44015fe22c771c1a7ed9
Markdown4b3a2e4acf8a661ef574a8b89f73ab9164c393169f4dd15b298a95b1eb1c9d9f
PDF
Publication page17711b1cea5a8474498e436088ac72f5081cec0d3ea4c0bc67ffce5c71099698
Manifestda6d5b6f13a12146ad4a556ee10ba8f3bdb578bb4d6aa518b1d9195c7f4b5976

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
SignatureIwHZKXhjnjhNLCyOMMqGDEeGNEnUTJvzqq/KBbcRMrbgUpAD3PE+/I6DTTpRkqx8AiL1smyE08E1m1W23a9BCg==
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

2026-09-17T12:09:52.003889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013394
observed 17711b1cea5a8474498e436088ac72f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.985043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013394/manifest.json
observed da6d5b6f13a12146ad4a556ee10ba8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.964752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013394/publication.md
observed 4b3a2e4acf8a661ef574a8b89f73ab91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.929020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013394/publication.txt
observed 80e38b59165131c6da51948f138222c6...
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.