Pith Number

pith:UDSFRJBJ

pith:2016:UDSFRJBJ5R63KTQ47AFEC3OKCY

not attested not anchored not stored refs pending

Epidemic risk from friendship network data: an equivalence with a non-uniform sampling of contact networks

Alain Barrat, Julie Fournet

arxiv:1604.04466 v1 · 2016-04-15 · physics.soc-ph · cs.SI · 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{UDSFRJBJ5R63KTQ47AFEC3OKCY}

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	2026-05-18T01:17:02.132293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e458a429ec7db54e1cf80a416dca16080bdaafc804901ad41b6bd0c16b9f29

Aliases

arxiv: 1604.04466 · arxiv_version: 1604.04466v1 · doi: 10.48550/arxiv.1604.04466 · pith_short_12: UDSFRJBJ5R63 · pith_short_16: UDSFRJBJ5R63KTQ4 · pith_short_8: UDSFRJBJ

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/UDSFRJBJ5R63KTQ47AFEC3OKCY \
  | 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: a0e458a429ec7db54e1cf80a416dca16080bdaafc804901ad41b6bd0c16b9f29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228a6fa47ee3d8e280fc138097b207532652accc69f15824257145209c92fcd1",
    "cross_cats_sorted": [
      "cs.SI",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-04-15T12:48:17Z",
    "title_canon_sha256": "658f725d89ff12459703f5916099e4e5d20a7ee596279490f6bd724d5aa59658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04466",
    "kind": "arxiv",
    "version": 1
  }
}