OpenTechnical

OT-2026-000068111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068111) never changes.

Identity and time

Publication numberOT-2026-000068111 · never reused
Internal UUID01a0ae8f-c4fe-7332-83c9-588082097190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068111
StatusPUBLIC

Content hashes

Canonical textdb95d11271d01500ba46b3f8c28d0b8267c0891b91c3edf79d1f581bf26ee449
Markdown821fc97c94d41fa9f19ed3506bb54fdf0d2637599e12433e76ae523ee7ec298c
PDF
Publication pagef894966d7de38caaca51ba9e4c9037c2b9d065dd3433e4479da68b01ddef5769
Manifest31a1e620d42bb8f808a5c1cc1ed3092779079ece59e6f787211062fe67edb52a

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
Signaturexyb5NGSEaGwYYGRTB3GW/EKgGdGkkx+ksTKgH2gG8bMgNxDAx8kVO4jF3fea9KIBa3xwNcFVcDeSfwIMy/+fAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:44.773875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068111
observed f894966d7de38caaca51ba9e4c9037c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:44.755787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068111/manifest.json
observed 31a1e620d42bb8f808a5c1cc1ed30927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:44.738114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068111/publication.md
observed 821fc97c94d41fa9f19ed3506bb54fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:44.718438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068111/publication.txt
observed db95d11271d01500ba46b3f8c28d0b82...
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.