Pith Number

pith:ISJLUY5W

pith:2015:ISJLUY5WQAHYWSVH4SSAHLKDZJ

not attested not anchored not stored refs pending

On the Polysymplectic Integrator for the Short Pulse Equation

Igor V. Kanatchikov, Monika E. Pietrzyk

arxiv:1512.09105 v1 · 2015-12-30 · 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{ISJLUY5WQAHYWSVH4SSAHLKDZJ}

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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	2026-05-18T01:23:34.019548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4492ba63b6800f8b4aa7e4a403ad43ca4afde8ac42389e7a3b56f91398a63d1f

Aliases

arxiv: 1512.09105 · arxiv_version: 1512.09105v1 · doi: 10.48550/arxiv.1512.09105 · pith_short_12: ISJLUY5WQAHY · pith_short_16: ISJLUY5WQAHYWSVH · pith_short_8: ISJLUY5W

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/ISJLUY5WQAHYWSVH4SSAHLKDZJ \
  | 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: 4492ba63b6800f8b4aa7e4a403ad43ca4afde8ac42389e7a3b56f91398a63d1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac923b6b9d31fc5941cce75a8f4c0dde9eb13dc84df6b73581ae4758bd17c725",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-12-30T20:31:25Z",
    "title_canon_sha256": "ca8e39c84b332c758efbaa9a0e08c17c45a06b1b0afb4f986592217b9fc4c4de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09105",
    "kind": "arxiv",
    "version": 1
  }
}