OpenTechnical

OT-2026-000041142

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000041142) never changes.

Identity and time

Publication numberOT-2026-000041142 · never reused
Internal UUID01a0ae79-b142-74b2-8d38-bc7d43e7543a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041142
StatusPUBLIC

Content hashes

Canonical textf676e74a7c8d4ec062c5e44a7c4a1298c705fd35e82a8ae173c3940239efce29
Markdown83b85b1bb97ef2f831ec5dbcd3c17bcf9cd7357473c0ab4e313a51ccc4ed1bb0
PDF
Publication page094c4780d2a8bed004dd0770c2a2c4ed0f47e9f2f4cdfa6def07ce1a91bd51ed
Manifestfbeb22375e6fb74bc8d9c46c13226ac708bf455f517c3887a2f170caf9e174f8

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
Signatureq38mliqK8bFPnQfBPrCN1G9Rg1YDWuEpFQx5oIzG3FsT8KWTf+ug8BaeozrBVnchuL/wC+8i4AEU6/jxDYtKAw==
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

2026-09-17T11:17:04.949368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041142
observed 094c4780d2a8bed004dd0770c2a2c4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.932258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041142/manifest.json
observed fbeb22375e6fb74bc8d9c46c13226ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.916083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041142/publication.md
observed 83b85b1bb97ef2f831ec5dbcd3c17bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.898321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041142/publication.txt
observed f676e74a7c8d4ec062c5e44a7c4a1298...
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.