OpenTechnical

OT-2026-000060140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after set-down

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-2026-000060140) never changes.

Identity and time

Publication numberOT-2026-000060140 · never reused
Internal UUID01a0ae8a-5a71-70ed-9db8-246031db8dcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060140
StatusPUBLIC

Content hashes

Canonical text008c97e7e6edcc8a19a831034b9973c296164cdca8fb6efdcd30a3db1262e526
Markdownbc3105a95dc1c7a7d7688c7ec19141c76b15a36170844697f2f24a000e37be28
PDF
Publication page7db4a889ea334da3095c696e992887fc416836add871bd4dd3c2aed895c00c29
Manifest7cc1cad3b6bb36e486325b05f9a7700c0b876e8b6932c6d34819cce2df6a02d6

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
Signature4/xFfZB99y5k/1R/eptfgxbp8ilvjkXaCL4MKbZd6IXUlUFk7pCZdozxxBuX/LktKmzPblt2fnfqVYQgcmwHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:47.774047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060140
observed 7db4a889ea334da3095c696e992887fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.755499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060140/manifest.json
observed 7cc1cad3b6bb36e486325b05f9a7700c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.737642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060140/publication.md
observed bc3105a95dc1c7a7d7688c7ec19141c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.719209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060140/publication.txt
observed 008c97e7e6edcc8a19a831034b9973c2...
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.