OpenTechnical

OT-2026-000019189

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000019189) never changes.

Identity and time

Publication numberOT-2026-000019189 · never reused
Internal UUID01a0ae6e-f391-760a-8574-68bef4ed2b82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019189
StatusPUBLIC

Content hashes

Canonical textfee527aae6c21098fc79594c455da1a447d06aeecf8d80d23ac9c9799f4be3bf
Markdown755a90d197a05e95573866bb93be3105076f087ad1771afb2e389258fe0ae807
PDF
Publication pageb52bbccebd7cb5c5951f37a52516bca4c0665f77177d9aade6cea2db58de3b38
Manifestfe4e5c3a43744154f4f23e80ad7fb08eeb6f240b16f4c94fba0cf2db64d047c5

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
SignaturerLRhoXI5NdRqD7g0Vd/neFB23uOfoHuODB6g+tXpfdqawku8dFj6ANmsRGGRMk3phsIJXVMaE1g9dEBRVyZwCw==
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

2026-09-17T11:58:30.462968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019189
observed b52bbccebd7cb5c5951f37a52516bca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.443734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019189/manifest.json
observed fe4e5c3a43744154f4f23e80ad7fb08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.426203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019189/publication.md
observed 755a90d197a05e95573866bb93be3105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.408179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019189/publication.txt
observed fee527aae6c21098fc79594c455da1a4...
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.