OpenTechnical

OT-2026-000046239

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000046239) never changes.

Identity and time

Publication numberOT-2026-000046239 · never reused
Internal UUID01a0ae7e-57ca-7f61-b50b-f6d403b73e92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046239
StatusPUBLIC

Content hashes

Canonical textb84b643e5078bae58a950a6764c0230add7c471572e7b989610511134cce1cbe
Markdownbc0151ed1eb9a041af5b95c75c4cabcee00adfb5e5f9aa9185587de071acc703
PDF
Publication pagee31d9b93b80fcfbeb2928086728ba431695313920b344dbc6b9c003e79c5ad48
Manifest7bc1e340a52b35dc5bf3c56e91abdbfb829afc8344a6f7218acfa62f5cfdedd2

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
SignatureD+M0Ej/mxVWXXoCc/1M5neOvvxw4v3GVEi9IuvDvmQCOa5yugvKZFbnd1dPmD/D144YWyZf+kaCGztv4S5NrCg==
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

2026-09-17T11:08:05.315135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046239
observed e31d9b93b80fcfbeb2928086728ba431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.295218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046239/manifest.json
observed 7bc1e340a52b35dc5bf3c56e91abdbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.274090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046239/publication.md
observed bc0151ed1eb9a041af5b95c75c4cabce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.254266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046239/publication.txt
observed b84b643e5078bae58a950a6764c0230a...
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.