OpenTechnical

OT-2026-000012289

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000012289) never changes.

Identity and time

Publication numberOT-2026-000012289 · never reused
Internal UUID01a0ae6d-39f5-78ed-8a1f-e1598bc8d660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012289
StatusPUBLIC

Content hashes

Canonical text060f9efa88766813aff2054181f645b8858794c89597e6a2c352fe8a8ed6bcea
Markdown1b73baad5ddd2448ca4987f10191346d22838b3f2dafa0d60ae42757b2e21da1
PDF
Publication pagef6bb23af646cc723a0e699b5a0c3aa4426ac08b8eba753dc6cbb9769e4434472
Manifest456f892855329dbaacf0064f062fb56e8b9e0a752a8901137377dffd46300387

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
SignaturePSqX4MKTA4CZGmzVQiBNRqnjXMl62oND9g6b5Ie3TSHrOGX227ZRbbwu06sGRd7ByrSmKMCWtj3udQ91GmL9BQ==
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

2026-09-17T12:11:13.812754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012289
observed f6bb23af646cc723a0e699b5a0c3aa44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.795159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012289/manifest.json
observed 456f892855329dbaacf0064f062fb56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.773211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012289/publication.md
observed 1b73baad5ddd2448ca4987f10191346d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.752913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012289/publication.txt
observed 060f9efa88766813aff2054181f645b8...
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.