OpenTechnical

OT-2026-000098542

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line 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-2026-000098542) never changes.

Identity and time

Publication numberOT-2026-000098542 · never reused
Internal UUID01a0aea1-e966-763b-aec6-0e76091b91d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098542
StatusPUBLIC

Content hashes

Canonical text9aea037cf98c3a4cde46ffe4270e2dd1db6fda87bf0181c81ed39c2ec3da2c8c
Markdown48a648699112fb59b4a51634750caf0e281dde2d32cad33a87d0439e610213ca
PDF
Publication page7ccca7d897748373b94055bebc5ff4dcf3a5eeb8f446bb667d5c3ead16c50fe1
Manifestaa97c4ea0c6c30f13ea2cdba148a8f4f2dad0af5ee7247716a46302974b3a920

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
Signature5WNOku2vf/3sYMNBuyeTc6HnYM/lH9vbqwMJN56INSB5BhEa3g4L/aoyBXZVzpimmxH1T/duPZic2rY+VypSAg==
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

2026-09-17T09:32:25.372278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098542
observed 7ccca7d897748373b94055bebc5ff4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.353229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098542/manifest.json
observed aa97c4ea0c6c30f13ea2cdba148a8f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.337176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098542/publication.md
observed 48a648699112fb59b4a51634750caf0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.319524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098542/publication.txt
observed 9aea037cf98c3a4cde46ffe4270e2dd1...
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.