OpenTechnical

OT-2026-000092031

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000092031) never changes.

Identity and time

Publication numberOT-2026-000092031 · never reused
Internal UUID01a0ae9d-43bc-79ca-bbba-3516c84d7870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092031
StatusPUBLIC

Content hashes

Canonical text1d9b884247140d4cc056491c88dc13dfaa2395b205344cd86eb1a7a5298a7b56
Markdown983377b961cd253caac9ddc146c3db72a91e972c8d49d1842c81e9691c984e56
PDF
Publication page1064d855df7149400d30329b87c356efea1fc741953f734d7b92aadb987e35e7
Manifest183dd99bf7d5df495066870d6c419f382ba6bdf52975f5a70b61f4034abd0cad

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
SignatureF6S9DVFXyIrsZwrkULSJA3q7zI6CWR1aTX4kc28ikriVLOeyf/4f9EfqwIqewrcI1GqvQKzpTXS8T7GhH6flAA==
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

2026-09-17T09:43:07.084213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092031
observed 1064d855df7149400d30329b87c356ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:07.066297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092031/manifest.json
observed 183dd99bf7d5df495066870d6c419f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:07.048733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092031/publication.md
observed 983377b961cd253caac9ddc146c3db72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:07.030207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092031/publication.txt
observed 1d9b884247140d4cc056491c88dc13df...
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.