Pith Number

pith:SPRWYEVE

pith:2025:SPRWYEVETV7LTYEC6DB4NOJYMF

not attested not anchored not stored refs pending

Graph Learning for Bidirectional Disease Contact Tracing on Real Human Mobility Data

Radu Marculescu, Sofia Hurtado

arxiv:2501.18531 v1 · 2025-01-30 · cs.SI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPRWYEVETV7LTYEC6DB4NOJYMF}

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	2026-07-05T10:07:35.188095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e36c12a49d7eb9e082f0c3c6b93861422da4fc47775192e2838c7363d3b24f

Aliases

arxiv: 2501.18531 · arxiv_version: 2501.18531v1 · doi: 10.48550/arxiv.2501.18531 · pith_short_12: SPRWYEVETV7L · pith_short_16: SPRWYEVETV7LTYEC · pith_short_8: SPRWYEVE

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/SPRWYEVETV7LTYEC6DB4NOJYMF \
  | 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: 93e36c12a49d7eb9e082f0c3c6b93861422da4fc47775192e2838c7363d3b24f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f08215691e78b27445332ffb1f686fea46fc0a12f479a83278da1633df802319",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-01-30T17:57:15Z",
    "title_canon_sha256": "acaa6bcd3f00a1f4425be1c7d04e6ef8fe1a04a0010ebd4b6d7f37ec0bd74219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18531",
    "kind": "arxiv",
    "version": 1
  }
}