OpenTechnical

OT-2026-000043165

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000043165) never changes.

Identity and time

Publication numberOT-2026-000043165 · never reused
Internal UUID01a0ae7b-327b-7d31-83d3-ca0c49c76b91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043165
StatusPUBLIC

Content hashes

Canonical text4aaf3d9811f9d4686973517803578dd2d08474dd431ed8137ef1fcbe700cbfdc
Markdown504dee026d1a04fd3852bd460f854814b17f149003368969a23464e80d37b7d3
PDF
Publication pagec5097a5d4d0283b8e9dac122f66333f2153e742e36d57b4ca2cf7f532518aba0
Manifest89bf2b6fde58745de58f7baf49cedf02e5debca6269cc8d8a6e773b442ee1e3a

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
Signaturea1gMYg3TEDMvp3cd7EAsBJzLa8roYffjtuGjF07Gs9fYRpord65A7GqsEuaXo+LhqYuOR2jEhiYP7mpr8KpiCw==
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

2026-09-17T11:13:36.598284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043165
observed c5097a5d4d0283b8e9dac122f66333f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.581517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043165/manifest.json
observed 89bf2b6fde58745de58f7baf49cedf02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.563305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043165/publication.md
observed 504dee026d1a04fd3852bd460f854814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.546556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043165/publication.txt
observed 4aaf3d9811f9d4686973517803578dd2...
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.