OpenTechnical

OT-2026-000089727

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089727) never changes.

Identity and time

Publication numberOT-2026-000089727 · never reused
Internal UUID01a0ae9c-1a22-720d-a7a7-46ed0ee23e11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089727
StatusPUBLIC

Content hashes

Canonical textf0ba5a866a553fc12d82132bdb667e0300d57322dee515cee4c3f8754c2e128f
Markdown00a3c9ce2c33574683c126ff2cdf9c9fb7b476f956d9d89dc2fa7b03f9292409
PDF
Publication pagec999b94df14959fc8bc99adb5a84a56e49bbcc997c5de13c3d961d0ac732bf60
Manifest16ae0bdf05a4a51d1acf85b46cd8a0f4d25d2ee15959c341774dcd24fc12808f

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
SignatureVrQFG1OmcdeeRY20yNV/sCHgXNjm1HkkOfompgrcr/d57VXTOmrcFHg24RJeEBLyySdxG1L/oyqpQyH4XhulAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:43.995319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089727
observed c999b94df14959fc8bc99adb5a84a56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.978509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089727/manifest.json
observed 16ae0bdf05a4a51d1acf85b46cd8a0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.962381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089727/publication.md
observed 00a3c9ce2c33574683c126ff2cdf9c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.946144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089727/publication.txt
observed f0ba5a866a553fc12d82132bdb667e03...
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.