OpenTechnical

OT-2026-000092103

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000092103) never changes.

Identity and time

Publication numberOT-2026-000092103 · never reused
Internal UUID01a0ae9d-8759-7878-a68a-03f3175f1c57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092103
StatusPUBLIC

Content hashes

Canonical text641ac79bf2172396712ed7fa21cc65eb83753fad4bdd530ef113fea6fd4af031
Markdown48cf31bf2d27c69b1e8b905fe4312f003ef9c5e3ed7e0524663d3db9613b0c6b
PDF
Publication pagee6b3a7f3281d286ea073055f538605337f8c8cd64b520347d7bce16ae75c8210
Manifest02ff190283395e9deffb4052d7f0d7a3c60cfc686b49155085e2bd3eb3498f76

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
SignaturelZDYld6Whi44SHvzwYMVCJQye+IqUVAG8maU6pyovk2Kz0E94bP7DyTxk5U1TDj+gg9KcTzgwggsragWViLLDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:33.998335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092103
observed e6b3a7f3281d286ea073055f53860533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.979066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092103/manifest.json
observed 02ff190283395e9deffb4052d7f0d7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.959546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092103/publication.md
observed 48cf31bf2d27c69b1e8b905fe4312f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.940793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092103/publication.txt
observed 641ac79bf2172396712ed7fa21cc65eb...
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.