Pith Number

pith:BR7QACBE

pith:2014:BR7QACBEYYXF6ZKEQLXSXDANTS

not attested not anchored not stored refs pending

A New Path to Construct Parametric Orientation Field: Sparse FOMFE Model and Compressed Sparse FOMFE Model

Jiankun Hu, Jinwei Xu, Xiuping Jia

arxiv:1407.0342 v1 · 2014-07-01 · cs.CV · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR7QACBEYYXF6ZKEQLXSXDANTS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:47:43.580414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7f000824c62e5f654482ef2b8c0d9cb15557c95f03cb5bb870be4276ed990b

Aliases

arxiv: 1407.0342 · arxiv_version: 1407.0342v1 · doi: 10.48550/arxiv.1407.0342 · pith_short_12: BR7QACBEYYXF · pith_short_16: BR7QACBEYYXF6ZKE · pith_short_8: BR7QACBE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BR7QACBEYYXF6ZKEQLXSXDANTS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0c7f000824c62e5f654482ef2b8c0d9cb15557c95f03cb5bb870be4276ed990b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e315543de7b365604b24d3c78486b2c7d3fc2c5aea92821d8e201d5302e7f5b4",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-07-01T18:18:39Z",
    "title_canon_sha256": "c0e3319eb6ffa9cac8a483cb24f0ae3aaca7ad0172ce4d70d6ee4e6ed73c2b39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0342",
    "kind": "arxiv",
    "version": 1
  }
}