OpenTechnical

OT-2026-000089146

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000089146) never changes.

Identity and time

Publication numberOT-2026-000089146 · never reused
Internal UUID01a0ae9b-db00-7c94-b599-ebe0e2323d4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089146
StatusPUBLIC

Content hashes

Canonical text1ecf5ea0b0db2111826bedabe164496d1ceb09a83fa46f1685a0f03b9fc2d8da
Markdown1102da1ea3fd000838dfffba75dc7143b5919475864f896f67b3a3dad0443a28
PDF
Publication paged9cf70f7016d867ab7cf495c7de4e906e6d7f072dce2fb464671e886a67b4968
Manifestc708e588aec104bbe6cc61555692bac388e4b93eeb7be53fbb4c19fa5818ca66

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
SignaturehfiVKpiwh1fZxBNnE1P9skNaA36so0csQrnbevJhGdT9iWvqTbkfmvoKs7k6JS/unzI+5UIbWSj1HhPsS0jHBQ==
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

2026-09-17T09:47:04.079872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089146
observed d9cf70f7016d867ab7cf495c7de4e906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.063785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089146/manifest.json
observed c708e588aec104bbe6cc61555692bac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.046303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089146/publication.md
observed 1102da1ea3fd000838dfffba75dc7143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.028339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089146/publication.txt
observed 1ecf5ea0b0db2111826bedabe164496d...
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.