OpenTechnical

OT-2026-000040190

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000040190) never changes.

Identity and time

Publication numberOT-2026-000040190 · never reused
Internal UUID01a0ae79-26ff-7c65-9855-00c09ed199ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040190
StatusPUBLIC

Content hashes

Canonical textfa4b795943329b6bb4d808a303585538b7bd92bda0bdae40608bdcc8f91e5ebf
Markdown563ebf9203543ab145bf9a55d3207c5c3a688ef3bfb526797536fd87f8715e02
PDF
Publication pageecdac6111c962cc3482afb1ba1957b3cc0f72ebd6e16450350cb0843ee5f6c93
Manifeste8bece304a0bfd10be6962a82608495eef2e8abd915555afa990da4e809ac146

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
Signature96jaXWJTHTfYgzVvMaZNZE+9CdUZS2Dw+bqBXfk+HpHReulRSukfUHnIUeWjRpLqjfOxXFJlhNY+mKBISndTCw==
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

2026-09-17T11:19:04.345087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040190
observed ecdac6111c962cc3482afb1ba1957b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.330459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040190/manifest.json
observed e8bece304a0bfd10be6962a82608495e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.313561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040190/publication.md
observed 563ebf9203543ab145bf9a55d3207c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.298204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040190/publication.txt
observed fa4b795943329b6bb4d808a303585538...
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.