Pith Number

pith:HFN6CDSK

pith:2019:HFN6CDSK7GTLAH2L2ZSML57LP6

not attested not anchored not stored refs pending

Social media usage reveals how regions recover after natural disaster

Filippo Simini, Flavia De Luca, Robert Eyre

arxiv:1908.07384 v1 · 2019-08-20 · physics.soc-ph · cs.CY · 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{HFN6CDSK7GTLAH2L2ZSML57LP6}

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	2026-07-04T23:58:33.856908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

395be10e4af9a6b01f4bd664c5f7eb7fbdb2f113015ade6ddded347f8dcf2fea

Aliases

arxiv: 1908.07384 · arxiv_version: 1908.07384v1 · doi: 10.48550/arxiv.1908.07384 · pith_short_12: HFN6CDSK7GTL · pith_short_16: HFN6CDSK7GTLAH2L · pith_short_8: HFN6CDSK

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/HFN6CDSK7GTLAH2L2ZSML57LP6 \
  | 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: 395be10e4af9a6b01f4bd664c5f7eb7fbdb2f113015ade6ddded347f8dcf2fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3bf36e623befd62f4d9e41d23d78b2de0f4b4a9f7580274661c8e14453f6a18",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-08-20T14:21:20Z",
    "title_canon_sha256": "697761455274ad1bd5845b3d6f08d6d2d317666111efe4dbee3ee6d0b0995302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07384",
    "kind": "arxiv",
    "version": 1
  }
}