OpenTechnical

OT-2026-000004584

Publication integrity record

Porous face vacuum gripper, three outlet manifold, three stage ejector, contact triggered

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-2026-000004584) never changes.

Identity and time

Publication numberOT-2026-000004584 · never reused
Internal UUID01a0a91c-c838-762b-873b-c2474ab81c1c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:27:10.906855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004584
StatusPUBLIC

Content hashes

Canonical textb9f526458ac5626eac08b5ccb212f86a207674ec8d4c93e8881ae7d228cb4b47
Markdowne4a32793ff0fcb5d883020d6d3fa62c6034ed418cc43ccf32d89f21eb4ea9506
PDF
Publication page9278e0bc185e52a1ffc190ec9a2f46a030059b515b500d6fca4679809225e33b
Manifest2c73dd73259d9e09e4344b639521d0a51aaf1206c79a3d882d1f53a192a31506

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
SignatureU9GCW699kXqHpozh5atUUkQlmnpINaT5g5HCT9q9osAxFFj3Yi1kCiVS/0Jul1wxcSCdtwsGtS6ylcCHSBlSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:12.219886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004584
observed 9278e0bc185e52a1ffc190ec9a2f46a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:12.207731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004584/manifest.json
observed 2c73dd73259d9e09e4344b639521d0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:12.194711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004584/publication.md
observed e4a32793ff0fcb5d883020d6d3fa62c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:12.182604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004584/publication.txt
observed b9f526458ac5626eac08b5ccb212f86a...
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.