OpenTechnical

OT-2026-000087390

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087390) never changes.

Identity and time

Publication numberOT-2026-000087390 · never reused
Internal UUID01a0ae9a-cd4f-7d3c-acc4-442907a3153c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087390
StatusPUBLIC

Content hashes

Canonical text814e528de23db4b65e9bf438428b104bed8cd2510679394b4c658fdef3a9103e
Markdown65b707c60e68f5db2cc8f8532c44b80a3bbe65a5e35c78c0fdee1522822a6e1e
PDF
Publication page927fe7a504c4ed1a91b78dfc7297e0279d0e7524e88e7e45e1ba5bf7c3fc6e73
Manifest5763c5f61c5e003e89ae829b36a9b43ca84a52cc9ca52944e77480cd8ee4546a

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
Signatureka5/cFKf7hRSi0MseAN/LONZyPNEsHVpkRHhH78I8t0RT0hBbFdciclNzYIwk+GUNS2PneGBhdFwRZnVl2pIAQ==
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

2026-09-17T09:50:41.974533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087390
observed 927fe7a504c4ed1a91b78dfc7297e027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.955235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087390/manifest.json
observed 5763c5f61c5e003e89ae829b36a9b43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.936051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087390/publication.md
observed 65b707c60e68f5db2cc8f8532c44b80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.915647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087390/publication.txt
observed 814e528de23db4b65e9bf438428b104b...
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.