OpenTechnical

OT-2026-000017970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017970) never changes.

Identity and time

Publication numberOT-2026-000017970 · never reused
Internal UUID01a0ae6e-96fc-7229-97c8-4873c99e8c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017970
StatusPUBLIC

Content hashes

Canonical text60ef941667f7a4716ce01e7b0e1a2356cd8b03914be2b7b7619b3f677a1d83b1
Markdown35c3c2cada42eb50bac929d15d30fb90696eefa47fc4a46285d60844815970c1
PDF
Publication page48aba02643863102999fba5fab6eb7a840021c5d07394e1828ecfa0761a1cd8a
Manifestcf157afc0d566b54dcaf94233fe802b2497d3cf1662ebe423330efe9564c4215

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
SignatureHSHX7Et/MdYb9Q4k0KouQ/rOU5KO1bgRQYdgl2T5PKrXtvpDwJifOCVoLW19CcxOWaWD5dJNXOaeBeRom5NOCQ==
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

2026-09-17T12:01:59.065046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017970
observed 48aba02643863102999fba5fab6eb7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.048370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017970/manifest.json
observed cf157afc0d566b54dcaf94233fe802b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.030695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017970/publication.md
observed 35c3c2cada42eb50bac929d15d30fb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.013187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017970/publication.txt
observed 60ef941667f7a4716ce01e7b0e1a2356...
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.