OpenTechnical

OT-2026-000019629

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019629) never changes.

Identity and time

Publication numberOT-2026-000019629 · never reused
Internal UUID01a0ae6f-1fb3-764f-9aa0-3365a5ef9e6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019629
StatusPUBLIC

Content hashes

Canonical text041f3a38cdf5bbacfe9fa9655d2b6db5ea9737a133a00d04dd0e727ecd2e95a2
Markdown894bb28479e2f5693ad0f95621511db2c9e4968317ce4b9af468538b563fe99b
PDF
Publication page75431c91b865476291e07c8da793aff33a19d14460cf80406e8ba2d7cf0d5747
Manifeste61f2459af945f7144f94157b3ea002abb0f0004d9200537496d1b71b43a452b

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
SignaturetsPL0E0V1FcnM/Qe6nIkFydEbx/u/SS0aPfiNq4eFycw6b9IAp7UCKvdFIBlNWkhs/18MRm8HnjXnsbaiC5xCA==
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

2026-09-17T11:57:41.102439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019629
observed 75431c91b865476291e07c8da793aff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.084124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019629/manifest.json
observed e61f2459af945f7144f94157b3ea002a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.066202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019629/publication.md
observed 894bb28479e2f5693ad0f95621511db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.046614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019629/publication.txt
observed 041f3a38cdf5bbacfe9fa9655d2b6db5...
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.