OpenTechnical

OT-2026-000089141

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089141) never changes.

Identity and time

Publication numberOT-2026-000089141 · never reused
Internal UUID01a0ae9b-db00-7102-820e-84e1386ff7fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089141
StatusPUBLIC

Content hashes

Canonical textdac0c41b6cc67ada0d57b6a6cb18b276aa4afb2c07c61503ce6b3e97e7c0d11a
Markdown2d0fe883f90429e949562633abd6a3828b6e9504ac7150d08f4ad1062fd47ac5
PDF
Publication pageb5f1fe2ea8ddead8237b474c5aa5a88b9ea989b02b6d6ead0634911617dd4f88
Manifest5351b060eab23c3bfe3da69e11dd16577ed74b1e670d331add60ebcdc6c67b07

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
Signaturevx+7Ghuei4n0dhj0cE0UtoOhWyNKsvtS2XhRI3JqNb1V++5raFK5LClSXL/NbHXwx11rN35JpeOBQcD+aj8DBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:03.618768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089141
observed b5f1fe2ea8ddead8237b474c5aa5a88b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.602809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089141/manifest.json
observed 5351b060eab23c3bfe3da69e11dd1657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.586205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089141/publication.md
observed 2d0fe883f90429e949562633abd6a382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.568928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089141/publication.txt
observed dac0c41b6cc67ada0d57b6a6cb18b276...
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.