OpenTechnical

OT-2026-000102992

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102992) never changes.

Identity and time

Publication numberOT-2026-000102992 · never reused
Internal UUID01a0aea4-be3d-775f-afde-49a508b7b116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102992
StatusPUBLIC

Content hashes

Canonical text93f6338016d8f6b19535ce2d593f61948602787b34a81216d43cea9c63b8473b
Markdown370119d30ee2e7fe92d4f480a2689e70e07a5bf3d27957bf0913ee4ea6fec5e4
PDF
Publication page8520f0fd449997c5a260d70f132f72b4d2adea90d1ffb4a165d90ef82a386793
Manifest44b811084ce0ef8190972db64ad8dbba4059053b2c9e7d857dd3db86dc053bab

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
SignatureZ/Y2wFLdgG7b/L//MBh5lSWWBpOBqBS+GtQ+TEt2ukCVNYdnfCEBqR1HV1FENcfv8TpKUrwpn4E56Evv8KExDg==
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

2026-09-17T09:23:06.374052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102992
observed 8520f0fd449997c5a260d70f132f72b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.355720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102992/manifest.json
observed 44b811084ce0ef8190972db64ad8dbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.339466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102992/publication.md
observed 370119d30ee2e7fe92d4f480a2689e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.322712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102992/publication.txt
observed 93f6338016d8f6b19535ce2d593f6194...
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.