OpenTechnical

OT-2026-000033681

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033681) never changes.

Identity and time

Publication numberOT-2026-000033681 · never reused
Internal UUID01a0ae75-a390-77f1-925b-930bf571408f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033681
StatusPUBLIC

Content hashes

Canonical text584e64f0b99d59e5c47abcd3bb9b596cb863087c64428fb95560855127265367
Markdown2fe16e3b875fab30403088c748123798da3c03d5a53de008932ced22575bbc6e
PDF
Publication pagece6b6e6b7ec234edc52b6fd9046c09088694cf45798e7543aa4e8f721b506327
Manifest553894bc2116664657b02377dab2ca1baacda7fdb780746c820bb5c3c3818779

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
SignaturevuTju85Sd39ZatWP6IP93mpWc+6TAmfMNxtB0kw57HVvBNeWn7Ybo6+hgPrRRpG+9y3s3OpioPcPLbVKiJhpAg==
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

2026-09-17T11:31:40.380769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033681
observed ce6b6e6b7ec234edc52b6fd9046c0908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.362631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033681/manifest.json
observed 553894bc2116664657b02377dab2ca1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.344960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033681/publication.md
observed 2fe16e3b875fab30403088c748123798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.328559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033681/publication.txt
observed 584e64f0b99d59e5c47abcd3bb9b596c...
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.