OpenTechnical

OT-2026-000098900

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000098900) never changes.

Identity and time

Publication numberOT-2026-000098900 · never reused
Internal UUID01a0aea2-8286-733d-8bdc-84a581c8b304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098900
StatusPUBLIC

Content hashes

Canonical textac78726c257c03b4b8e302c40a50fd3b042a054fd0d72be217816a17062eef9e
Markdown079ad654d2458ef7e859d3cb49ce990af723a55a76d8f2f5e74dd74a11ea2536
PDF
Publication pagef304bdae67b456cfdeef6f0c96a3afd8e9ea5df4ebd3116f7b91e52cedc1a001
Manifest4cf56d39480afe411fa5b84b8ded9827ecfde8f2b8fab4d7c9fabc4152b1a06b

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
SignatureBjKdx9splJ1VnrN4GNVBm5FqioY8zlADKvcWzBlQNkICRq+gYVLYC5cfacO+sklO0cvZxKNY2RXOwydOTL5dBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:57.428193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098900
observed f304bdae67b456cfdeef6f0c96a3afd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.410652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098900/manifest.json
observed 4cf56d39480afe411fa5b84b8ded9827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.393645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098900/publication.md
observed 079ad654d2458ef7e859d3cb49ce990a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.376341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098900/publication.txt
observed ac78726c257c03b4b8e302c40a50fd3b...
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.