OpenTechnical

OT-2026-000100588

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100588) never changes.

Identity and time

Publication numberOT-2026-000100588 · never reused
Internal UUID01a0aea3-66f2-7f8a-ad69-9370b8d8b095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100588
StatusPUBLIC

Content hashes

Canonical textfe6a8c5339350bee46cf8697dbfd8f97d82021a1722888f40d8d73433178dda6
Markdown4b3788ef49e9847081443ef999b7e2a408b0076b5af30c1466f32fc326535375
PDF
Publication pageba0331d64c6e90a04e833dbc4eb81c6920f96b495e016d3d9fe8786bcdd37575
Manifest1ec84ec2e2c3253d074e439a3bfdbe3252b7ba609e29af3a298b6e55d242fa01

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
SignaturesB4zM6Srob3HaqwOlxNjJ8zl+rMAOZFV7lb+L6IevmvIBGSVsnR/etrffngBG2Mbozvu6mLH9CGnLB22xDKUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:22.439867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100588
observed ba0331d64c6e90a04e833dbc4eb81c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.423267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100588/manifest.json
observed 1ec84ec2e2c3253d074e439a3bfdbe32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.405500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100588/publication.md
observed 4b3788ef49e9847081443ef999b7e2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.387811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100588/publication.txt
observed fe6a8c5339350bee46cf8697dbfd8f97...
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.