Pith Number

pith:JUOXSOXP

pith:2017:JUOXSOXPIL7526I73R443WRBPF

not attested not anchored not stored refs pending

Spreading with two speeds and mass segregation in a diffusive competition system with free boundaries

Chang-Hong Wu, Yihong Du

arxiv:1710.05482 v1 · 2017-10-16 · math.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{JUOXSOXPIL7526I73R443WRBPF}

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	2026-05-18T00:32:49.230909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1d793aef42ffdd791fdc79cdda21794f45433511f38042fbe04d336d7fcfb2

Aliases

arxiv: 1710.05482 · arxiv_version: 1710.05482v1 · doi: 10.48550/arxiv.1710.05482 · pith_short_12: JUOXSOXPIL75 · pith_short_16: JUOXSOXPIL7526I7 · pith_short_8: JUOXSOXP

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/JUOXSOXPIL7526I73R443WRBPF \
  | 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: 4d1d793aef42ffdd791fdc79cdda21794f45433511f38042fbe04d336d7fcfb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d54df5e06b1876278519ddbb7893f62ec38c473ddccceb085fd026db29d02a05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-10-16T03:04:02Z",
    "title_canon_sha256": "6450ca24036a4591dbf76810b9f387667b0b89ada224d7a4a81e61254adb9263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05482",
    "kind": "arxiv",
    "version": 1
  }
}