Pith Number

pith:NGWWNBMF

pith:2003:NGWWNBMFFCNQ2FJPT2JJB3BAVL

not attested not anchored not stored refs pending

Absence of U(1) spin liquids in two dimensions

Babak H. Seradjeh (Simon Fraser), Ganpathy Murthy (Kentucky), Igor F. Herbut (Simon Fraser), Subir Sachdev (Yale)

arxiv:cond-mat/0306537 v2 · 2003-06-22 · cond-mat.str-el · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGWWNBMFFCNQ2FJPT2JJB3BAVL}

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	2026-05-18T04:16:11.046593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ad668585289b0d152f9e9290ec20aaf2583c229ef247201ee9089e1d4ebbdd

Aliases

arxiv: cond-mat/0306537 · arxiv_version: cond-mat/0306537v2 · doi: 10.48550/arxiv.cond-mat/0306537 · pith_short_12: NGWWNBMFFCNQ · pith_short_16: NGWWNBMFFCNQ2FJP · pith_short_8: NGWWNBMF

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/NGWWNBMFFCNQ2FJPT2JJB3BAVL \
  | 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: 69ad668585289b0d152f9e9290ec20aaf2583c229ef247201ee9089e1d4ebbdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74dc8f80422d2c5c720fef6ef02afa8657dbcf994b3a331828ac343366884ab7",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2003-06-22T19:54:45Z",
    "title_canon_sha256": "39526055e6f4cd2b9568d163665a7257f1b415525f29f6c50280e2bb6a240db2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0306537",
    "kind": "arxiv",
    "version": 2
  }
}