Pith Number

pith:QRXZJY2H

pith:2002:QRXZJY2HX6E7V6PFVRWYHDZ6LG

not attested not anchored not stored refs pending

Unifying scheme for generating discrete integrable systems including inhomogeneous and hybrid models

Anjan Kundu

arxiv:nlin/0212004 v3 · 2002-12-02 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRXZJY2HX6E7V6PFVRWYHDZ6LG}

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	2026-05-18T01:38:19.573051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846f94e347bf89faf9e5ac6d838f3e59aabec0ad76859e88417c98d63de97b36

Aliases

arxiv: nlin/0212004 · arxiv_version: nlin/0212004v3 · doi: 10.48550/arxiv.nlin/0212004 · pith_short_12: QRXZJY2HX6E7 · pith_short_16: QRXZJY2HX6E7V6PF · pith_short_8: QRXZJY2H

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/QRXZJY2HX6E7V6PFVRWYHDZ6LG \
  | 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: 846f94e347bf89faf9e5ac6d838f3e59aabec0ad76859e88417c98d63de97b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e14bfc192083c7c3246053a664df7e4c907f8345149e2a49fa47d34b50a41f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2002-12-02T14:19:58Z",
    "title_canon_sha256": "a2a00533699ae6dcf519eb54a8dbe01714c7cc873809235fe767b67e7dab19e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0212004",
    "kind": "arxiv",
    "version": 3
  }
}