Pith Number

pith:PHOWFM2J

pith:2026:PHOWFM2JIUAMEGHWLWJ3AUYWS7

not attested not anchored not stored refs pending

Dynamic centrality of headwater sources in river networks: a stochastic approach via ultrametric Laplacians

\'Angel Alfredo Mor\'an Ledezma

arxiv:2605.16328 v1 · 2026-05-05 · 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{PHOWFM2JIUAMEGHWLWJ3AUYWS7}

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	2026-05-20T00:02:17.085456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79dd62b3494500c218f65d93b0531697edfb25354c07eb8ae0631b950e216244

Aliases

arxiv: 2605.16328 · arxiv_version: 2605.16328v1 · doi: 10.48550/arxiv.2605.16328 · pith_short_12: PHOWFM2JIUAM · pith_short_16: PHOWFM2JIUAMEGHW · pith_short_8: PHOWFM2J

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/PHOWFM2JIUAMEGHWLWJ3AUYWS7 \
  | 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: 79dd62b3494500c218f65d93b0531697edfb25354c07eb8ae0631b950e216244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4165cf049d86b77e22fcc45827af2042c0a76a9cef3d3ae2a75e379585e064",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-05-05T12:18:36Z",
    "title_canon_sha256": "ffd828f9a0588c239d9202b3c104dde7fe9cbfd0f5f1bfc81dfbc91c20d6a760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16328",
    "kind": "arxiv",
    "version": 1
  }
}