OpenTechnical

OT-2026-000012626

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000012626) never changes.

Identity and time

Publication numberOT-2026-000012626 · never reused
Internal UUID01a0ae6d-5561-769a-8a68-575dfb255292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012626
StatusPUBLIC

Content hashes

Canonical text74cb8beccdbb957e170d02d4605893d32182f58173237b85bc8ebf5e2ef91b5b
Markdown257476813c83c9526f75ccc5f381f0be08d219a33b924fe86c87b9c27f1bdd77
PDF
Publication pagec9dabf1babfe2ad5071945550b42467d176d613d24dc10eb9ad6cd8cbdd6688c
Manifest486995c94c25e821c472ffdb5c71a58b4aa1ec7f3c12f656552eb5eaede857ec

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
SignaturewYJjRGSyEA6Sw9wNYZw/ACT5Q0jgKXdaogPlQW/4lJEs4QP4NCh87/sPry2Y+8iYd2RZ5W3p+WJMZWo37zNtCA==
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

2026-09-17T12:10:15.003345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012626
observed c9dabf1babfe2ad5071945550b42467d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.981962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012626/manifest.json
observed 486995c94c25e821c472ffdb5c71a58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.958992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012626/publication.md
observed 257476813c83c9526f75ccc5f381f0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.937798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012626/publication.txt
observed 74cb8beccdbb957e170d02d4605893d3...
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.