OpenTechnical

OT-2026-000050351

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050351) never changes.

Identity and time

Publication numberOT-2026-000050351 · never reused
Internal UUID01a0ae82-5c47-75ed-9358-bcc0d9aa433b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050351
StatusPUBLIC

Content hashes

Canonical textf89093b0e2d9adf3501197b0d49a924e8f28a369db95e71da318af3937ce3592
Markdownf4a262a0941b92b8e32e98b9072e517b88a73f36a4d7c344a59c26e9d25ffe9a
PDF
Publication pagecea6102d1269422a0d9370d96dbcb1b103868f93a996c18f734d606114ca8165
Manifestf8e4a05e9c1f661a4b1807cc499130014d6bed118833ab74631d8a1e794e75a6

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
Signatureudx+tMqegC0jLbSm3vWgrOJC7JjT0F+cYAXrHsN6SiX0+Mqpklx7COgA0tGaOQW/FA20ukAP7CKO4/0dA7obBg==
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

2026-09-17T11:01:22.877396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050351
observed cea6102d1269422a0d9370d96dbcb1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.861903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050351/manifest.json
observed f8e4a05e9c1f661a4b1807cc49913001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.845231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050351/publication.md
observed f4a262a0941b92b8e32e98b9072e517b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.827393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050351/publication.txt
observed f89093b0e2d9adf3501197b0d49a924e...
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.