OpenTechnical

OT-2026-000017676

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000017676) never changes.

Identity and time

Publication numberOT-2026-000017676 · never reused
Internal UUID01a0ae6e-96fa-7c51-8f24-0763a087d0de · 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-2026-000017676
StatusPUBLIC

Content hashes

Canonical text6115b7d9f73f21d89e0c04608b7f651784400df6a88e864bf0a2485e51bcaa44
Markdown162141d606844cbf5c917e205cc7b08d507ba4d861392f8d6a25f95078d2d624
PDF
Publication page68f5393fe31c6dbcd6bb5266af4ca123793081ab14eff84af2942d8aef3f2cae
Manifest29afd6e22c6060ca3b9628d6d8d3bb00ba4893da56fec8bc60247c38a79ea481

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
SignaturekEhCZsjmZHI1IvWx3pfbqdQPiJHSMdCBEPAFMo8GERCHLrcVQbI8Kzy72v/CnGJoFoq5FsNaL+dRXl3n3GQLDw==
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

2026-09-17T12:01:36.908454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017676
observed 68f5393fe31c6dbcd6bb5266af4ca123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.890198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017676/manifest.json
observed 29afd6e22c6060ca3b9628d6d8d3bb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.873200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017676/publication.md
observed 162141d606844cbf5c917e205cc7b08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.855208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017676/publication.txt
observed 6115b7d9f73f21d89e0c04608b7f6517...
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.