OpenTechnical

OT-2026-000069421

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069421) never changes.

Identity and time

Publication numberOT-2026-000069421 · never reused
Internal UUID01a0ae90-b52a-753b-afff-67cdfeca3590 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069421
StatusPUBLIC

Content hashes

Canonical text91d19e03186954882efd7f127dfa3f662bc0dc748b3cc90f6f9041f07d15ef08
Markdown02312f4a35847d4c5f639b5b4bc50eb4788513d2e91740dd567f983872b9a11b
PDF
Publication pagef151c222483780e5939fff2fa3ffc1e24db10146d7975fbf125e317d38537ced
Manifest3dedd0dc37d1b827f22ca2991b2b5c67517af39cb9aa1ba8e5be90da3bacd85a

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
SignatureM7A1ZOzQIchNj5El0hh9tsKbOwXd5lwtmyFY3394SbQbvSKoQkF0u/5llI4hEt4QibDdrO5v907XQ9bV3VRiBw==
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

2026-09-17T10:30:21.519761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421
observed f151c222483780e5939fff2fa3ffc1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.503485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421/manifest.json
observed 3dedd0dc37d1b827f22ca2991b2b5c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.487520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421/publication.md
observed 02312f4a35847d4c5f639b5b4bc50eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.470607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421/publication.txt
observed 91d19e03186954882efd7f127dfa3f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.684858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421
observed f151c222483780e5939fff2fa3ffc1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.666892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421/manifest.json
observed 3dedd0dc37d1b827f22ca2991b2b5c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.648588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421/publication.md
observed 02312f4a35847d4c5f639b5b4bc50eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.628007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069421/publication.txt
observed 91d19e03186954882efd7f127dfa3f66...
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.