OpenTechnical

OT-2026-000047220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000047220) never changes.

Identity and time

Publication numberOT-2026-000047220 · never reused
Internal UUID01a0ae7e-d0f9-771a-9ca9-7835cfe2e116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047220
StatusPUBLIC

Content hashes

Canonical text81ad24ed52c4cdd01a8cd2e3db3c19d0f92e909c12f4d0ae177501181ad39a70
Markdown903f92dfe5b182b6a062cfa2ba67f29a23c4c115159f301933c233fcf13d4401
PDF
Publication page585d382854647a1014aeac095bbf16affa9e91ec99918ac6e8367212cc7d267a
Manifest6063edd151c2aad50dca79cc4c1b8880fb053505a05da02f0138ca50e55710a1

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
Signature0muz0Po4Jq9EehD8yhJFgtoucjdNgP5I73IY4py+LDzT97YyW5XD+/eKzFXKLU0VYeJ/dWY5IsiDQywqdp0jBA==
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

2026-09-17T11:08:03.475995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047220
observed 585d382854647a1014aeac095bbf16af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.457467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047220/manifest.json
observed 6063edd151c2aad50dca79cc4c1b8880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.436126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047220/publication.md
observed 903f92dfe5b182b6a062cfa2ba67f29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.415859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047220/publication.txt
observed 81ad24ed52c4cdd01a8cd2e3db3c19d0...
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.