OpenTechnical

OT-2026-000037618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037618) never changes.

Identity and time

Publication numberOT-2026-000037618 · never reused
Internal UUID01a0ae77-b8cf-760b-9d45-469ed210442f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037618
StatusPUBLIC

Content hashes

Canonical text81983c929c17b673ef16cc222c173acca062f538e375a3ddd15384ae24468830
Markdown37dec5c9ad2bdc7c93d96e5d2b51b614e8a80096f2e5a45f5ed4fc2b67fc6330
PDF
Publication pagee5a1e2c13f5b46073674495e1284a8d626897d5b88c71a8c01d63a6ec2fee88f
Manifesta15d5822b0ad10eee99bd4cb652c20014f2766d308a87225465dbc6415b5246c

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
SignatureVWA0RLB9KyDEtj3ru6CjcxWKaUnW9a+6eEsmRY3gHYGABPphcVeHfnLBYJY5ER5W3ndKstlDli7jQc5ifcFWCQ==
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

2026-09-17T11:24:10.596960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037618
observed e5a1e2c13f5b46073674495e1284a8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.578484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037618/manifest.json
observed a15d5822b0ad10eee99bd4cb652c2001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.561185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037618/publication.md
observed 37dec5c9ad2bdc7c93d96e5d2b51b614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.541708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037618/publication.txt
observed 81983c929c17b673ef16cc222c173acc...
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.