OpenTechnical

OT-2026-000026005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000026005) never changes.

Identity and time

Publication numberOT-2026-000026005 · never reused
Internal UUID01a0ae71-a83f-7fec-8acf-94a2d820cee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026005
StatusPUBLIC

Content hashes

Canonical text4b3d2ea88395ebcf3a32590a3189101b55ef1c1885891b674ffd769215069d7a
Markdowne13b854a8499480c71c057c85aa1b17db216666176ee49ae0e57277f4452831a
PDF
Publication pageff1f4cee9e13efb94a77eda0b3cebd34b5eeb2027d4231b96d0d2335eab68121
Manifest7814132735b385d24fa335cd63f8d8061b397a2f0b8d095d5bcc4d7e5464173a

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
SignatureXlbxs6Pz9KujQK4o4ggjgDOh70O41jSHIO0rsyyTt9fYfZ14pDqD7op4GCkw/cvkTh+2KUtz4TAQgOwl33VlAg==
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

2026-09-17T11:46:22.975076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026005
observed ff1f4cee9e13efb94a77eda0b3cebd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.955571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026005/manifest.json
observed 7814132735b385d24fa335cd63f8d806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.932024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026005/publication.md
observed e13b854a8499480c71c057c85aa1b17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.914571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026005/publication.txt
observed 4b3d2ea88395ebcf3a32590a3189101b...
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.