OpenTechnical

OT-2026-000049607

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000049607) never changes.

Identity and time

Publication numberOT-2026-000049607 · never reused
Internal UUID01a0ae81-8f7d-770d-9e2f-2d090abb486c · 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-2026-000049607
StatusPUBLIC

Content hashes

Canonical text0dbec375d8b2804ae9d2f295ce1319fa96c07059d2387d5a1553b16d1e179610
Markdown07a760c4bbc8877ea16de14403e11aa7413ee86c4ee6319c72db8645b3bef057
PDF
Publication page2702248502f65c50e9f850847aed0d5ca21da27ba7a46f8d55c8a0b78549064c
Manifestf4d95cec75068a3e6169a83f51f7527dba7f9f5eb1a045dc9038c17f40909446

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
SignatureArW6mMV43Iew7z1zVcBJ4lmPaZ3D+g56dferBYxtCXEntytFfNA9lycRwK7H+IgIQCV8zc87bQWr3jfjwUf7Bw==
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

2026-09-17T11:02:35.426209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049607
observed 2702248502f65c50e9f850847aed0d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.406623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049607/manifest.json
observed f4d95cec75068a3e6169a83f51f7527d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.387287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049607/publication.md
observed 07a760c4bbc8877ea16de14403e11aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.366574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049607/publication.txt
observed 0dbec375d8b2804ae9d2f295ce1319fa...
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.