Pith Number

pith:BC4LWPXP

pith:2025:BC4LWPXPHOMFPORJTCGNFFCD4W

not attested not anchored not stored refs pending

Why is it easier to predict the epidemic curve than to reconstruct the underlying contact network?

D\'aniel Keliger, Ill\'es Horv\'ath

arxiv:2506.00059 v2 · 2025-05-29 · 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{BC4LWPXPHOMFPORJTCGNFFCD4W}

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	2026-07-05T11:33:24.293038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08b8bb3eef3b9857ba29988cd29443e5987fe271f20291298953932503ff2a85

Aliases

arxiv: 2506.00059 · arxiv_version: 2506.00059v2 · doi: 10.48550/arxiv.2506.00059 · pith_short_12: BC4LWPXPHOMF · pith_short_16: BC4LWPXPHOMFPORJ · pith_short_8: BC4LWPXP

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/BC4LWPXPHOMFPORJTCGNFFCD4W \
  | 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: 08b8bb3eef3b9857ba29988cd29443e5987fe271f20291298953932503ff2a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef5b1ce0420e83f0f8ad59a13cd3ca1fcecae8fe793822e0066e470fed2a2512",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2025-05-29T09:27:27Z",
    "title_canon_sha256": "7e4cd712d3a66f20d3c7a39e29dd0b3a59fed6d4a759186f98bd218993031d14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00059",
    "kind": "arxiv",
    "version": 2
  }
}