OpenTechnical

OT-2026-000029985

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000029985) never changes.

Identity and time

Publication numberOT-2026-000029985 · never reused
Internal UUID01a0ae73-ac49-79d0-a2fc-80acb5260d72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029985
StatusPUBLIC

Content hashes

Canonical text2e6ed6b6800defb3d477b606e4e516cb17393915111818b5c2e214cf19465460
Markdown032bbebd62a792f4b574f5c8597c2cee96357acbb30561be557d339af643bf4e
PDF
Publication page33a181c53623e6c6bcacfc693d8a3f3c5074c9f987ecb2996e5d625f33c80e75
Manifestbbc74584fcc709772438fab8d986ebc7277742328e1a6593d229ec165e2f5c03

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
SignaturecdprNhcnh75xwIM4vEwM0oPASrdflfF9IcRothiWbxFZf3R1UAtalfiwva0em5C1NzgIcKjclnHIrRHWgvRQCQ==
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

2026-09-17T11:38:42.604749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029985
observed 33a181c53623e6c6bcacfc693d8a3f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.584655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029985/manifest.json
observed bbc74584fcc709772438fab8d986ebc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.568519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029985/publication.md
observed 032bbebd62a792f4b574f5c8597c2cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.552645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029985/publication.txt
observed 2e6ed6b6800defb3d477b606e4e516cb...
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.