Pith Number

pith:POFBM4CH

pith:2011:POFBM4CHWKCQPXX6NKZEMQEICY

not attested not anchored not stored refs pending

Integrable quantum spin chains and their classical continuous counterparts

Anastasia Doikou, Jean Avan, Konstadinos Sfetsos

arxiv:1102.0425 v1 · 2011-02-02 · hep-th · math-ph · math.MP · 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{POFBM4CHWKCQPXX6NKZEMQEICY}

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	2026-05-18T04:23:45.384723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b8a167047b28507defe6ab24640881616782044315f1b5456bbc761f969c284

Aliases

arxiv: 1102.0425 · arxiv_version: 1102.0425v1 · doi: 10.48550/arxiv.1102.0425 · pith_short_12: POFBM4CHWKCQ · pith_short_16: POFBM4CHWKCQPXX6 · pith_short_8: POFBM4CH

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/POFBM4CHWKCQPXX6NKZEMQEICY \
  | 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: 7b8a167047b28507defe6ab24640881616782044315f1b5456bbc761f969c284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70dc657a318ce30f3ea42cb9fb1ae303283ab192e4adf410a5cf3a7f8ba816e0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-02-02T13:38:58Z",
    "title_canon_sha256": "b83bd858d28138ccf213ff12938b12ae58ab857c1d18d321dde70298893fe668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0425",
    "kind": "arxiv",
    "version": 1
  }
}