OpenTechnical

OT-2026-000042056

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000042056) never changes.

Identity and time

Publication numberOT-2026-000042056 · never reused
Internal UUID01a0ae7a-5d70-7d1a-a499-445cf9ce053f · 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-2026-000042056
StatusPUBLIC

Content hashes

Canonical text493c98aa0e40013461aa0578061bd7554cf7af201a393a8465b08ff62e9660a7
Markdowneb0a54d9dc5a45b11febaff92a7d635407542db8503de67744082d0ffd42c8e5
PDF
Publication page1d76ec44e2101265e6ef844956a0ac2c70ebcf2df039f732437091514b44fe94
Manifestd79571b704f3885eedbd376493318fe96e907af40dd2fc7b475fdda69edb744f

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
Signature3hWw6nudjSWnwhWNv19LcR2uEz+eUV2fhF3M4vVcNti1XiGpiQ+/H8M0/h5RkxVXwX/T1t0SG8QQe9pDsnVSBA==
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

2026-09-17T11:15:34.406626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042056
observed 1d76ec44e2101265e6ef844956a0ac2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.386224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042056/manifest.json
observed d79571b704f3885eedbd376493318fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.367638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042056/publication.md
observed eb0a54d9dc5a45b11febaff92a7d6354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.350078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042056/publication.txt
observed 493c98aa0e40013461aa0578061bd755...
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.