Pith Number

pith:UXTLBUSQ

pith:2015:UXTLBUSQQ3HD42DUMAK4EZXYS4

not attested not anchored not stored refs pending

On a strain-structured epidemic model

\`Angel Calsina, J\'ozsef Z. Farkas

arxiv:1510.08621 v2 · 2015-10-29 · math.AP · 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{UXTLBUSQQ3HD42DUMAK4EZXYS4}

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	2026-05-17T23:50:43.028270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5e6b0d25086ce3e68746015c266f8972c19edc1b5ae548379140ce96459a012

Aliases

arxiv: 1510.08621 · arxiv_version: 1510.08621v2 · doi: 10.48550/arxiv.1510.08621 · pith_short_12: UXTLBUSQQ3HD · pith_short_16: UXTLBUSQQ3HD42DU · pith_short_8: UXTLBUSQ

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/UXTLBUSQQ3HD42DUMAK4EZXYS4 \
  | 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: a5e6b0d25086ce3e68746015c266f8972c19edc1b5ae548379140ce96459a012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32f97c9d63160d71a5684795fc7369eddbcb1aa3fe699ca7df82a9db9f745f8f",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-29T10:01:43Z",
    "title_canon_sha256": "6899c74318621618b34cd64ef64ca22433157dbb36a1348177c0ba9b684f48d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08621",
    "kind": "arxiv",
    "version": 2
  }
}