Pith Number

pith:7GMTL3PC

pith:2015:7GMTL3PCJXFYH6GGGRTFD4OKB6

not attested not anchored not stored refs pending

Re-visiting the Distance Coefficient in Gravity Model

Haonan Wu

arxiv:1503.05283 v2 · 2015-03-18 · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GMTL3PCJXFYH6GGGRTFD4OKB6}

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	2026-05-18T02:20:39.096976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99935ede24dcb83f8c6346651f1ca0fb488ac00bfff7023001089a606a01b54

Aliases

arxiv: 1503.05283 · arxiv_version: 1503.05283v2 · doi: 10.48550/arxiv.1503.05283 · pith_short_12: 7GMTL3PCJXFY · pith_short_16: 7GMTL3PCJXFYH6GG · pith_short_8: 7GMTL3PC

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/7GMTL3PCJXFYH6GGGRTFD4OKB6 \
  | 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: f99935ede24dcb83f8c6346651f1ca0fb488ac00bfff7023001089a606a01b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0677d9c6b9fc64c5c645e358fe9e389634c4ef39d26b8cace6068ffc0ab667b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2015-03-18T04:58:18Z",
    "title_canon_sha256": "6b8b8ef7871b6b9dec767631bbaa083408473c395ed686e02df03bb86edf79f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05283",
    "kind": "arxiv",
    "version": 2
  }
}