OpenTechnical

OT-2026-000024201

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000024201) never changes.

Identity and time

Publication numberOT-2026-000024201 · never reused
Internal UUID01a0ae70-e8c8-76e7-987b-bcade34bcfc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024201
StatusPUBLIC

Content hashes

Canonical text94860ddbf61bb02902f3786bf0effcc7b340875b290bd912dd05bf9272a44ecf
Markdown2e40c87bb85fda3d49681e0abc3e1cce7c8aecbc7ae3e8c1f5d53dbadd76c1f3
PDF
Publication paged96f4aa1a329eae98b672fe45ff9bb52a888f068a71cd3096e4203aeb5c80144
Manifest92d6821495a37dedc105b681c901fd99bbdcb6955a3aafd296350f17d32d4988

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
Signature1vYY5nl3/yUiOUPZVTua9eRtEu5fV+MG7VrgGaXCVlRM/nBgK5rS1kq2LpuB0djGAjQ3CMVOZd+uLceVANTrDg==
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

2026-09-17T11:48:39.729647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024201
observed d96f4aa1a329eae98b672fe45ff9bb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.712618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024201/manifest.json
observed 92d6821495a37dedc105b681c901fd99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.694053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024201/publication.md
observed 2e40c87bb85fda3d49681e0abc3e1cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.675827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024201/publication.txt
observed 94860ddbf61bb02902f3786bf0effcc7...
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.