OpenTechnical

OT-2026-000044993

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000044993) never changes.

Identity and time

Publication numberOT-2026-000044993 · never reused
Internal UUID01a0ae7c-911d-7578-abf4-2f102a3591e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044993
StatusPUBLIC

Content hashes

Canonical text6111776728b7292813e34985c15f7efb9b24ac2e80844ecb0d1ea2825729f71f
Markdowncfd44da736b1c56a9901aa3d53cb8ec715076371e9453905cde911cb8a8e730f
PDF
Publication page28583f1b1e8cf4bd81b84b081aee5d57c848b7bd14718b4b728d78bf8d57cb98
Manifest7308b47c5ac1361a1e12b01b9d39f0cee963df423e6d7c39c7374f14dc27d923

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
SignatureK9EA0hmvVAwdCsi8hSj3gXyHZDR95dKIM43FiaM5qZidJG4mKr8uM9RCT+aj9Ua1gjDhzGInyVIBJAZaPFsjCQ==
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

2026-09-17T11:11:41.221661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044993
observed 28583f1b1e8cf4bd81b84b081aee5d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.201777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044993/manifest.json
observed 7308b47c5ac1361a1e12b01b9d39f0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.182793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044993/publication.md
observed cfd44da736b1c56a9901aa3d53cb8ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.163048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044993/publication.txt
observed 6111776728b7292813e34985c15f7efb...
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.