Pith Number

pith:6YTRKVUE

pith:2013:6YTRKVUEHT3XY24VQSZR6S3QEX

not attested not anchored not stored refs pending

Virtual water controlled demographic growth of nations

Amos Maritan, Andrea Rinaldo, Paolo D'Odorico, Samir Suweis

arxiv:1301.6958 v1 · 2013-01-29 · physics.soc-ph · physics.data-an · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YTRKVUEHT3XY24VQSZR6S3QEX}

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	2026-05-18T03:35:03.046924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6271556843cf77c6b9584b31f4b7025e54e3153e4290f9c5846b9a3c494fefe

Aliases

arxiv: 1301.6958 · arxiv_version: 1301.6958v1 · doi: 10.48550/arxiv.1301.6958 · pith_short_12: 6YTRKVUEHT3X · pith_short_16: 6YTRKVUEHT3XY24V · pith_short_8: 6YTRKVUE

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/6YTRKVUEHT3XY24VQSZR6S3QEX \
  | 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: f6271556843cf77c6b9584b31f4b7025e54e3153e4290f9c5846b9a3c494fefe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "098ad42b03e6e589df6eba99364f42e1dac36144997f0f38ea07ff33ea503ad2",
    "cross_cats_sorted": [
      "physics.data-an",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-01-29T15:54:42Z",
    "title_canon_sha256": "500faedfb54ab82c7cd7c9270f9679059911f35e207054b8eb18a0f084a78ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6958",
    "kind": "arxiv",
    "version": 1
  }
}