Pith Number

pith:EY4OXAZC

pith:2012:EY4OXAZC3TQISXLIIITNVURTL2

not attested not anchored not stored refs pending

Free fermions on a line: asymptotics of the entanglement entropy and entanglement spectrum from full counting statistics

Dmitri A. Ivanov, Roman S\"usstrunk

arxiv:1208.5845 v3 · 2012-08-29 · cond-mat.mes-hall · cond-mat.stat-mech · 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{EY4OXAZC3TQISXLIIITNVURTL2}

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	2026-05-18T03:36:47.894829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2638eb8322dce0895d684226dad2335e9bb588f0c8ff0caa9aac65f91e94130c

Aliases

arxiv: 1208.5845 · arxiv_version: 1208.5845v3 · doi: 10.48550/arxiv.1208.5845 · pith_short_12: EY4OXAZC3TQI · pith_short_16: EY4OXAZC3TQISXLI · pith_short_8: EY4OXAZC

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/EY4OXAZC3TQISXLIIITNVURTL2 \
  | 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: 2638eb8322dce0895d684226dad2335e9bb588f0c8ff0caa9aac65f91e94130c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1837a5266091e5a58aa44171d8ecd259a5ea02fc8e4b2980f169b010a0eaa31b",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-08-29T06:29:59Z",
    "title_canon_sha256": "c78ed207ce8b14bb1816724ae7d33c90b2fb10100a76ba37f5363c4014e9b277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5845",
    "kind": "arxiv",
    "version": 3
  }
}