OpenTechnical

OT-2026-000023601

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000023601) never changes.

Identity and time

Publication numberOT-2026-000023601 · never reused
Internal UUID01a0ae70-726a-7818-aa64-4c36d6977b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023601
StatusPUBLIC

Content hashes

Canonical textecae0d7c04dc82df5c3946dc6158d0cda04520b84680a02bf5caca5b0a0f954b
Markdowne3d59e89c26829d3a093d273ccd6d8981960ce4c539460eeed0e7e6117a5d5fd
PDF
Publication page717a890bc69ed6babb5d32db5b7e8bab38995f17ebc65cf0732b096c70a8a2b8
Manifest4bf623890accfbca42a12eb5a37baa8023a10fc52e64ac199bf3f346c09f18a5

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
SignatureeQDMhYmiewZC5b8NtVI++IB6V43r3+EwPmo+JERPChARxQXIzdHOXwt1dypXfYq1HWknv+KrA3k2UMAXndR0Cg==
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

2026-09-17T11:51:57.774121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023601
observed 717a890bc69ed6babb5d32db5b7e8bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.755698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023601/manifest.json
observed 4bf623890accfbca42a12eb5a37baa80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.736939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023601/publication.md
observed e3d59e89c26829d3a093d273ccd6d898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.719713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023601/publication.txt
observed ecae0d7c04dc82df5c3946dc6158d0cd...
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.