Pith Number

pith:ZEZTNCXN

pith:2011:ZEZTNCXNNU3YPJASWHLKVRWMIC

not attested not anchored not stored refs pending

A variational approach for the Quantum Inverse Scattering Method

A. Birrell, J. Links, P. S. Isaac

arxiv:1112.1740 v1 · 2011-12-08 · nlin.SI · cond-mat.quant-gas · 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{ZEZTNCXNNU3YPJASWHLKVRWMIC}

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	2026-05-18T01:59:15.284847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c933368aed6d3787a412b1d6aac6cc40b045eb4b33e008b3fa0f025e632a20e3

Aliases

arxiv: 1112.1740 · arxiv_version: 1112.1740v1 · doi: 10.48550/arxiv.1112.1740 · pith_short_12: ZEZTNCXNNU3Y · pith_short_16: ZEZTNCXNNU3YPJAS · pith_short_8: ZEZTNCXN

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/ZEZTNCXNNU3YPJASWHLKVRWMIC \
  | 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: c933368aed6d3787a412b1d6aac6cc40b045eb4b33e008b3fa0f025e632a20e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35de2b204e662946258deaa2ed3b412635852b08c0918fc4ad614a13614d03df",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-12-08T00:38:44Z",
    "title_canon_sha256": "10983bdbee752b26bab0050feba7e4efb77950b9445ed0c6047e088faf93f835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1740",
    "kind": "arxiv",
    "version": 1
  }
}