Pith Number

pith:NMYSB4WS

pith:2007:NMYSB4WSBMGKAHYF2L64RMENGI

not attested not anchored not stored refs pending

Nonlinear sigma model of a spin ladder containing a static single hole

A.R. Pereira, A.S.T. Pires, E. Ercolessi

arxiv:cond-mat/0701591 v1 · 2007-01-24 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMYSB4WSBMGKAHYF2L64RMENGI}

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	2026-05-18T01:39:38.223830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b3120f2d20b0ca01f05d2fdc8b08d320ff356da8420a940543b51c7d439ec63

Aliases

arxiv: cond-mat/0701591 · arxiv_version: cond-mat/0701591v1 · doi: 10.48550/arxiv.cond-mat/0701591 · pith_short_12: NMYSB4WSBMGK · pith_short_16: NMYSB4WSBMGKAHYF · pith_short_8: NMYSB4WS

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/NMYSB4WSBMGKAHYF2L64RMENGI \
  | 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: 6b3120f2d20b0ca01f05d2fdc8b08d320ff356da8420a940543b51c7d439ec63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9840b51ddda14b841119aba74b8797a22fdfa353c80309a8a01695a1cc0bf05d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2007-01-24T17:09:31Z",
    "title_canon_sha256": "7ecf145e67a7140526a272af770ee846b67f8b475ea631bb1c1964ed626e9e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0701591",
    "kind": "arxiv",
    "version": 1
  }
}