Pith Number

pith:SQNFT3FI

pith:2018:SQNFT3FIAQ2T2LNQI44K37PIGE

not attested not anchored not stored refs pending

Memory-induced complex contagion in epidemic spreading

Mari\'an Bogu\~n\'a, Xavier R. Hoffmann

arxiv:1802.02757 v3 · 2018-02-08 · physics.soc-ph · 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{SQNFT3FIAQ2T2LNQI44K37PIGE}

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	2026-05-17T23:45:41.081551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941a59eca804353d2db04738adfde8310b11410e4f25cdf1845808f6afa8a515

Aliases

arxiv: 1802.02757 · arxiv_version: 1802.02757v3 · doi: 10.48550/arxiv.1802.02757 · pith_short_12: SQNFT3FIAQ2T · pith_short_16: SQNFT3FIAQ2T2LNQ · pith_short_8: SQNFT3FI

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/SQNFT3FIAQ2T2LNQI44K37PIGE \
  | 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: 941a59eca804353d2db04738adfde8310b11410e4f25cdf1845808f6afa8a515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be98aa94642e3655c58d21e4c90ae072de3c24ed7e6585a1fbcb08e437107d50",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-02-08T09:02:36Z",
    "title_canon_sha256": "e75d5db966348d6afcd8033c3c902ac79060f2573d17ab71c70c32b76a3474a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02757",
    "kind": "arxiv",
    "version": 3
  }
}