OpenTechnical

OT-2026-000042578

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000042578) never changes.

Identity and time

Publication numberOT-2026-000042578 · never reused
Internal UUID01a0ae7a-c0cd-748f-abc2-e845343b758f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042578
StatusPUBLIC

Content hashes

Canonical text24c559859bc84b75bdf3eb615245f6d0673049ff356cd52ab2c2f559e10e8595
Markdownd30abe18da88a8692c0dee3288e0da7b47c30a234d9419c1b096b0500cedd124
PDF
Publication paged39c35375cb7f06cda679bc2f6c7a11a39df9cdb7dd8fe4426aabd7e74225eef
Manifesta19b9b173378a427e261ed98a1dceebb4457a8e2888835ec8f1cc47f22f766e1

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
SignaturesefQu5aCI3UY/9DFkngqdwLqnsBIJy4itXTEDX+z9Q5sQY1HGD7g6jArGjY5AfFrGjGA/nk/U33c8wkBQcJUAw==
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

2026-09-17T11:14:17.697848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042578
observed d39c35375cb7f06cda679bc2f6c7a11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.677586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042578/manifest.json
observed a19b9b173378a427e261ed98a1dceebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.658613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042578/publication.md
observed d30abe18da88a8692c0dee3288e0da7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.638780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042578/publication.txt
observed 24c559859bc84b75bdf3eb615245f6d0...
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.