OpenTechnical

OT-2026-000025047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000025047) never changes.

Identity and time

Publication numberOT-2026-000025047 · never reused
Internal UUID01a0ae71-2728-7f49-9e5d-89424f96db41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025047
StatusPUBLIC

Content hashes

Canonical texte6f24555398af5964d20b67914db4d8f243e2b4af9e5e75d372f2b6acdbe833e
Markdown037b2c2998d33d3c4a661d6f43771021d302ef8a5b0bc0918392e8e69ace36f7
PDF
Publication pagea12909efa744f4003051f26066da1955d18e4fd8e91fbb7c04e30a456c96d879
Manifest479af00099313eb5f91b1d95c05b1da11653e90b9580545f4680c740158a2892

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
Signaturen2Y0bulOdiShb5eFP3G+TQk5/+jYSh0xuY2ocNpU4MEfEnpLMb4lMJNyunFgNuBQq08MtztcOduLkzaMh7qRAg==
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

2026-09-17T11:48:27.272154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025047
observed a12909efa744f4003051f26066da1955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.254152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025047/manifest.json
observed 479af00099313eb5f91b1d95c05b1da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.236153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025047/publication.md
observed 037b2c2998d33d3c4a661d6f43771021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.218766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025047/publication.txt
observed e6f24555398af5964d20b67914db4d8f...
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.