OpenTechnical

OT-2026-000047373

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047373) never changes.

Identity and time

Publication numberOT-2026-000047373 · never reused
Internal UUID01a0ae7f-3e57-73db-a8d1-091066f0bece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047373
StatusPUBLIC

Content hashes

Canonical text95e252fd7c88d8d2f4dd11619ef4c448a8e5935ea21cd2d6ca7af97bd3dd370a
Markdowne2e7d1ff7ad08efa757a0a568d75ffcef54f10f91d20ec72ffb52d625faef3fe
PDF
Publication pageb37b7b7a7d6d78cdee7fad697d9d408ebb38aa2027b4d8e81359ae7382382a8e
Manifestd854a84f1b188a0d2e03d3ff4a0719dbe33488a6f695274832455a9e86b86768

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
SignatureFJB0umyTUuUm4BWibK+sCDA/xAen30dQUNe6S556VnkF3z2chVo+higtqadEuKtJVAUz4S4LxE39A4A2grrjAQ==
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

2026-09-17T11:06:22.669167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047373
observed b37b7b7a7d6d78cdee7fad697d9d408e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.653731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047373/manifest.json
observed d854a84f1b188a0d2e03d3ff4a0719db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.637014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047373/publication.md
observed e2e7d1ff7ad08efa757a0a568d75ffce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.619135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047373/publication.txt
observed 95e252fd7c88d8d2f4dd11619ef4c448...
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.