OpenTechnical

OT-2026-000049663

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000049663) never changes.

Identity and time

Publication numberOT-2026-000049663 · never reused
Internal UUID01a0ae81-8fee-790d-88c1-464fd686e04e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049663
StatusPUBLIC

Content hashes

Canonical text9a6dbda7b74ff5011f66785e6bdd390c64d0810b643ed9c1291b92e0c5db83bc
Markdowna2ee525ad1e364178f191194f64473e9cc375c7dc925b41285032aca37ef48b0
PDF
Publication page9aafe7e4688cfbe6a94519679cd6a55bac796f673b660ec2197daa4edee60c6f
Manifest63e641c2e67f5fa61c945e0b91832dedda93323af51855c10efa95de3a801e71

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
SignaturehGWMwf6XaG7nWB8rYQawGeyqwgpD1JXQ1h20nhSyOSyb0bpuCXdjq1OuLm3fwiB+8NfnsY4VMi6cLwVFgdXGCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:39.948538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049663
observed 9aafe7e4688cfbe6a94519679cd6a55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.929756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049663/manifest.json
observed 63e641c2e67f5fa61c945e0b91832ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.912745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049663/publication.md
observed a2ee525ad1e364178f191194f64473e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.895055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049663/publication.txt
observed 9a6dbda7b74ff5011f66785e6bdd390c...
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.