Pith Number

pith:47SBEUDS

pith:2018:47SBEUDSLEH4WWDMQA6KGSFUT2

not attested not anchored not stored refs pending

Generalized gravity model for human migration

Beom Jun Kim, Hye Jin Park, Sang Hoon Lee, Woo Seong Jo

arxiv:1805.10422 v2 · 2018-05-26 · physics.soc-ph · cond-mat.stat-mech · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47SBEUDSLEH4WWDMQA6KGSFUT2}

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	2026-05-18T00:05:31.025640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e4125072590fcb586c803ca348b49e877c828cbaee87fd7bb18185dc7d7cbc

Aliases

arxiv: 1805.10422 · arxiv_version: 1805.10422v2 · doi: 10.48550/arxiv.1805.10422 · pith_short_12: 47SBEUDSLEH4 · pith_short_16: 47SBEUDSLEH4WWDM · pith_short_8: 47SBEUDS

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/47SBEUDSLEH4WWDMQA6KGSFUT2 \
  | 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: e7e4125072590fcb586c803ca348b49e877c828cbaee87fd7bb18185dc7d7cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6fe3f952eb7a05b545cbe33c1d02509772ba4e12738a78f9daa22d975a6c8df",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-05-26T03:39:53Z",
    "title_canon_sha256": "0dbaeb7c91e3182bb93c3f9b49261f0279101b26109689517c8514db92d36da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10422",
    "kind": "arxiv",
    "version": 2
  }
}