OpenTechnical

OT-2026-000049778

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000049778) never changes.

Identity and time

Publication numberOT-2026-000049778 · never reused
Internal UUID01a0ae81-8fef-71f5-8246-b686ba882114 · 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-2026-000049778
StatusPUBLIC

Content hashes

Canonical text9c1ecc69d26a4511416d77640ed835ab996f23ddd8c672104b362e8db6338672
Markdown9c424c77654c17d12e6c467bd13bbb698d77f5de4e6e39b9f4318b275c0f72d5
PDF
Publication page02bebddc19c4b1879cbefbedb80a0b6f04f12c6c12447bd962dd95adb6c5f0bd
Manifestbdcd26fa708cbf8d7372c401432e55479137263e6f0876e03889b799fc868b74

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
SignaturexVZRtbWoMfZ7aOpz0F91CZyqBKGDp6fC54uy1C6MfLgNQh+wmzgw5KJAK2IWyry2SorSPCIqX1ylohZMyMtMBA==
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

2026-09-17T11:02:53.637460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049778
observed 02bebddc19c4b1879cbefbedb80a0b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.618043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049778/manifest.json
observed bdcd26fa708cbf8d7372c401432e5547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.595302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049778/publication.md
observed 9c424c77654c17d12e6c467bd13bbb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.575624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049778/publication.txt
observed 9c1ecc69d26a4511416d77640ed835ab...
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.