Pith Number

pith:OJPDGFZN

pith:2012:OJPDGFZNSAEYK575KTPNL3AOO5

not attested not anchored not stored refs pending

A Topological Phase Transition in the Scheidegger Model of River Networks

Jacob N. Oppenheim, Marcelo O. Magnasco

arxiv:1205.5066 v2 · 2012-05-22 · q-bio.TO · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJPDGFZNSAEYK575KTPNL3AOO5}

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	2026-05-18T03:46:47.151155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

725e33172d90098577fd54ded5ec0e7776939d72a953180d273413ac245f0f4b

Aliases

arxiv: 1205.5066 · arxiv_version: 1205.5066v2 · doi: 10.48550/arxiv.1205.5066 · pith_short_12: OJPDGFZNSAEY · pith_short_16: OJPDGFZNSAEYK575 · pith_short_8: OJPDGFZN

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/OJPDGFZNSAEYK575KTPNL3AOO5 \
  | 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: 725e33172d90098577fd54ded5ec0e7776939d72a953180d273413ac245f0f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d981a0ec046d33fe2ed81e43b5ff56d360e53740d7ae7f6dfc747887571b7dec",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2012-05-22T22:21:44Z",
    "title_canon_sha256": "8c31ed27640af45df774e9720622151d7c490d9e83a002cfba00c07fec533fad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5066",
    "kind": "arxiv",
    "version": 2
  }
}