Pith Number

pith:BPJVW7EG

pith:2012:BPJVW7EGLCJPQVYITQRKACXVKX

not attested not anchored not stored refs pending

Graph-Coupled HMMs for Modeling the Spread of Infection

Alex Pentland, Katherine A. Heller, Wen Dong

arxiv:1210.4864 v1 · 2012-10-16 · cs.SI · physics.soc-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPJVW7EGLCJPQVYITQRKACXVKX}

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	2026-05-18T03:42:55.365595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd35b7c865892f857089c22a00af555e9807111491a56048c594d23b0f27d9c

Aliases

arxiv: 1210.4864 · arxiv_version: 1210.4864v1 · doi: 10.48550/arxiv.1210.4864 · pith_short_12: BPJVW7EGLCJP · pith_short_16: BPJVW7EGLCJPQVYI · pith_short_8: BPJVW7EG

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/BPJVW7EGLCJPQVYITQRKACXVKX \
  | 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: 0bd35b7c865892f857089c22a00af555e9807111491a56048c594d23b0f27d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81e239af7026ebb1b4906d89cfdc916d56cddb1e18bbbb81ee7337448ee8222",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-10-16T17:39:07Z",
    "title_canon_sha256": "4e28ca4a793ab9e14f817ca1927212711fb3add3ee93fa8d6cc1c93db091a494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4864",
    "kind": "arxiv",
    "version": 1
  }
}