Pith Number

pith:YFIKTEY5

pith:2019:YFIKTEY5CLITT25XDHZY46LRPQ

not attested not anchored not stored refs pending

Reconstructing commuters network using machine learning and urban indicators

Andre C. P. L. F. de Carvalho, Gabriel Spadon, Jose F. Rodrigues-Jr, Luiz G. A. Alves

arxiv:1908.03512 v1 · 2019-08-09 · physics.soc-ph · cs.LG · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YFIKTEY5CLITT25XDHZY46LRPQ}

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	2026-07-04T23:55:13.340928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c150a9931d12d139ebb719f38e79717c3606205e15f8cb4d4659a7a55cda6280

Aliases

arxiv: 1908.03512 · arxiv_version: 1908.03512v1 · doi: 10.48550/arxiv.1908.03512 · pith_short_12: YFIKTEY5CLIT · pith_short_16: YFIKTEY5CLITT25X · pith_short_8: YFIKTEY5

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/YFIKTEY5CLITT25XDHZY46LRPQ \
  | 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: c150a9931d12d139ebb719f38e79717c3606205e15f8cb4d4659a7a55cda6280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d927dc9dac0a0ef38cc5328e05e284342c0e87d0ae8d19f104fcd3dbed4bcbc9",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-08-09T16:02:43Z",
    "title_canon_sha256": "764e64c824d76e7278ad4db939bbe1fbcd21fc05e46b7e13fd47eee5a5fa061d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03512",
    "kind": "arxiv",
    "version": 1
  }
}