Pith Number

pith:IWNKJTIX

pith:2010:IWNKJTIXL3DBQERRXFTNVLDFFF

not attested not anchored not stored refs pending

Ground states of unfrustrated spin Hamiltonians satisfy an area law

Jens Eisert, Niel de Beaudrap, Tobias J. Osborne

arxiv:1009.3051 v2 · 2010-09-15 · quant-ph · 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{IWNKJTIXL3DBQERRXFTNVLDFFF}

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	2026-05-18T02:05:27.726145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459aa4cd175ec6181231b966daac652960e51cbed7bdb4b778149b7e60ed35b9

Aliases

arxiv: 1009.3051 · arxiv_version: 1009.3051v2 · doi: 10.48550/arxiv.1009.3051 · pith_short_12: IWNKJTIXL3DB · pith_short_16: IWNKJTIXL3DBQERR · pith_short_8: IWNKJTIX

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/IWNKJTIXL3DBQERRXFTNVLDFFF \
  | 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: 459aa4cd175ec6181231b966daac652960e51cbed7bdb4b778149b7e60ed35b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fd616d359842bbbb4dec7fe765cf0b7413e88e18161db5ed2e20205a53e8a50",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-15T21:55:26Z",
    "title_canon_sha256": "1a31fb536e41296cc4aeae23e643017ea251defd50c4773476c048caa750c198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3051",
    "kind": "arxiv",
    "version": 2
  }
}