OpenTechnical

OT-2026-000041997

Publication integrity record

Three 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-2026-000041997) never changes.

Identity and time

Publication numberOT-2026-000041997 · never reused
Internal UUID01a0ae7a-5d6f-7cad-985d-caf1d4f99291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041997
StatusPUBLIC

Content hashes

Canonical textc2388176b35a284bee42cd9cb08307ef976d8ef69824d253d946b3cfc05ee5e0
Markdowna21cbf8375ef93db4d55c1c926ef70ee1d44256102d5df9997ced71511a223ff
PDF
Publication page7b0d23168a6e2b215737070b9c2ad568b7d685d4451d9a2f2b2363e9a04c1ee2
Manifest48dc554e5881576ae955dd212a5b29160a8e77408ba7e59488d967292ca8a140

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
Signature9c6VG0B9TOK/M3RtsAfm5lgQ6MNX2PZ7bmaXyxvxRQ2UnthLfzLWLjMAlWcNbi0ZW006o9kC/7h/pv9c9HNNCQ==
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

2026-09-17T11:15:29.666653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041997
observed 7b0d23168a6e2b215737070b9c2ad568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.647263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041997/manifest.json
observed 48dc554e5881576ae955dd212a5b2916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.626683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041997/publication.md
observed a21cbf8375ef93db4d55c1c926ef70ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.607394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041997/publication.txt
observed c2388176b35a284bee42cd9cb08307ef...
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.