pith. sign in
Pith Number

pith:TDHMRJCI

pith:2012:TDHMRJCI6RDZ3MKTZFVVUEA3KU
not attested not anchored not stored refs pending

From nothing to something: discrete integrable systems

S Y Lou, Xiao-yan Tang, Yu-Qi Li

arxiv:1201.5924 v4 · 2012-01-28 · nlin.SI · math-ph · math.MP · physics.class-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TDHMRJCI6RDZ3MKTZFVVUEA3KU}

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 2026-05-18T02:46:31.659325Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

98cec8a448f4479db153c96b5a101b551fe05bff4a869c5f861be03adb5ee77a

Aliases

arxiv: 1201.5924 · arxiv_version: 1201.5924v4 · doi: 10.48550/arxiv.1201.5924 · pith_short_12: TDHMRJCI6RDZ · pith_short_16: TDHMRJCI6RDZ3MKT · pith_short_8: TDHMRJCI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TDHMRJCI6RDZ3MKTZFVVUEA3KU \
  | 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: 98cec8a448f4479db153c96b5a101b551fe05bff4a869c5f861be03adb5ee77a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "54032b18ca7d63e3281128edc053fd414aa76636f1a3a0f077447c573c215563",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-01-28T05:16:55Z",
    "title_canon_sha256": "b867ce5c47f7879d3270d30c93ba2294bed1633060bb8f41d431474e08cc84e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5924",
    "kind": "arxiv",
    "version": 4
  }
}