Pith Number

pith:PJGFZHCN

pith:2018:PJGFZHCNYXYFD3JMZINJ6ORJXT

not attested not anchored not stored refs pending

Robust Real-time Ellipse Fitting Based on Lagrange Programming Neural Network and Locally Competitive Algorithm

Chi-Sing Leung, Hao Wang, Hing Cheung So, Junli Liang, Ruibin Feng, Zifa Han

arxiv:1806.00004 v1 · 2018-05-31 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJGFZHCNYXYFD3JMZINJ6ORJXT}

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	2026-05-18T00:14:29.690857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a4c5c9c4dc5f051ed2cca1a9f3a29bcd5bc2456d90f2f5ee540b2177a6857c1

Aliases

arxiv: 1806.00004 · arxiv_version: 1806.00004v1 · doi: 10.48550/arxiv.1806.00004 · pith_short_12: PJGFZHCNYXYF · pith_short_16: PJGFZHCNYXYFD3JM · pith_short_8: PJGFZHCN

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/PJGFZHCNYXYFD3JMZINJ6ORJXT \
  | 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: 7a4c5c9c4dc5f051ed2cca1a9f3a29bcd5bc2456d90f2f5ee540b2177a6857c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af831af5990fe1aae937fbc60b0039cfb5359ee6b50d81a33fc21e30065ebea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-05-31T02:50:16Z",
    "title_canon_sha256": "f65dec183d18da7d214dd6c27e99cbc26d8907a62688b070d5e2528f2323ff5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00004",
    "kind": "arxiv",
    "version": 1
  }
}