Pith Number

pith:SDUHGYSL

pith:2026:SDUHGYSLQX2TVUS666V4HT6K5Y

not attested not anchored not stored refs pending

Spectral Decimation of Quantum Many-Body Hamiltonians

Andrea Stampiggi, Arthur Hutsalyuk, Feng He, Giuseppe Mussardo

arxiv:2602.20256 v2 · 2026-02-23 · cond-mat.stat-mech · cond-mat.dis-nn · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDUHGYSLQX2TVUS666V4HT6K5Y}

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.

Cited by

1 paper in Pith

Level statistics of the disordered Haldane-Shastry model with $1/r^\alpha$ interaction

Receipt and verification

First computed	2026-05-29T01:05:05.508673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e873624b85f53ad25ef7abc3cfcaee24ff7116b0e700adfd0369ae816e60c4

Aliases

arxiv: 2602.20256 · arxiv_version: 2602.20256v2 · doi: 10.48550/arxiv.2602.20256 · pith_short_12: SDUHGYSLQX2T · pith_short_16: SDUHGYSLQX2TVUS6 · pith_short_8: SDUHGYSL

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/SDUHGYSLQX2TVUS666V4HT6K5Y \
  | 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: 90e873624b85f53ad25ef7abc3cfcaee24ff7116b0e700adfd0369ae816e60c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c0271bee73c4a0b40249eacd9297713c1ff98a5f2c93bdb28bb79f20b92a57f",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2026-02-23T19:00:05Z",
    "title_canon_sha256": "aa4f761bfd071b90f1c0559ef5dee690fc727e6debb1da19818e150980a1dfe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20256",
    "kind": "arxiv",
    "version": 2
  }
}