OpenTechnical

OT-2026-000072959

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072959) never changes.

Identity and time

Publication numberOT-2026-000072959 · never reused
Internal UUID01a0ae92-c815-7db1-bc28-437dc17ebea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072959
StatusPUBLIC

Content hashes

Canonical textfbb99dc4b7988171f57c2a7a673f1453eeddb4b9a5d5ec34c969a1e3f332fc49
Markdown84d1f7a5d703a375fef7ed5dcb847497362ff76289eda5d30d0004121899bb89
PDF
Publication pagee2586c4e6ea41252c68e0eb1410e5f42197835ef8f92047a2a1e616e9b181835
Manifestc2c3f3a670b5abd5c706784d9c0db2cdaef4445fd2efb662d646219162ad6931

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
Signaturev9etuReZkBJJgRymVKwJy+bYk+MQ1LcpBmG9/O9mJqo0EQsqJhRigBGDsJ4o1uYaZKC0Xj9c5mZQFglIdxqKDg==
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

2026-09-17T10:21:53.000627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072959
observed e2586c4e6ea41252c68e0eb1410e5f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.983481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072959/manifest.json
observed c2c3f3a670b5abd5c706784d9c0db2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.966214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072959/publication.md
observed 84d1f7a5d703a375fef7ed5dcb847497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.948524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072959/publication.txt
observed fbb99dc4b7988171f57c2a7a673f1453...
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.