Pith Number

pith:S5HPNOPY

pith:2013:S5HPNOPYIXWITGGWM46UDABIIU

not attested not anchored not stored refs pending

Discrete Painleve equations and discrete KdV equation over finite fields

Jun Mada, Masataka Kanki, Tetsuji Tokihiro

arxiv:1304.5039 v2 · 2013-04-18 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5HPNOPYIXWITGGWM46UDABIIU}

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	2026-05-18T03:02:35.013281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974ef6b9f845ec8998d6673d418028452840637f5ba542a250f3aeeb278abf13

Aliases

arxiv: 1304.5039 · arxiv_version: 1304.5039v2 · doi: 10.48550/arxiv.1304.5039 · pith_short_12: S5HPNOPYIXWI · pith_short_16: S5HPNOPYIXWITGGW · pith_short_8: S5HPNOPY

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/S5HPNOPYIXWITGGWM46UDABIIU \
  | 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: 974ef6b9f845ec8998d6673d418028452840637f5ba542a250f3aeeb278abf13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bdda262d4d5b5b8e05b8426c9fd0fedf11fa834aeacdd47b96b1f8dc939b8cc",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-04-18T07:37:41Z",
    "title_canon_sha256": "ba97bb739592f660221178b26be525f69ba16c637a3c487b5fd34ea4b4bf2f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5039",
    "kind": "arxiv",
    "version": 2
  }
}