OpenTechnical

OT-2026-000026173

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000026173) never changes.

Identity and time

Publication numberOT-2026-000026173 · never reused
Internal UUID01a0ae71-a841-7e9b-933c-1b37282674e2 · 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-2026-000026173
StatusPUBLIC

Content hashes

Canonical textb6031b68516e74ba995934992780252d66498f76a8003f2a18aed216ad695873
Markdown2663340295741376c61edd373b2eca3d2e457b0470d59d430d29b1e694606f0e
PDF
Publication page82114a32baeca4cb106d889a1d4d03f9b36d8d3d8520659f620f7ba346a5fe76
Manifestaeecb45e8fd5d672d0d326d1c3e8b2c13d5ca65df6190461f9100e766f709ec3

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
SignaturexjoVy2lg/BuRN7KA7EUsSlkXL0m5KJ/2H3M2rPhPC2VOuU8N0omYjryxG6MDbkXCuK49O31BO8GHk0XAG7odDg==
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

2026-09-17T11:46:14.384855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026173
observed 82114a32baeca4cb106d889a1d4d03f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.368675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026173/manifest.json
observed aeecb45e8fd5d672d0d326d1c3e8b2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.351417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026173/publication.md
observed 2663340295741376c61edd373b2eca3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.327193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026173/publication.txt
observed b6031b68516e74ba995934992780252d...
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.