Pith Number

pith:BNPA3BSZ

pith:2013:BNPA3BSZMV2NQGV7AD35IWA5MD

not attested not anchored not stored refs pending

Entanglement evolution across defects in critical anisotropic Heisenberg chains

Mario Collura, Pasquale Calabrese

arxiv:1302.4274 v2 · 2013-02-18 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNPA3BSZMV2NQGV7AD35IWA5MD}

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	2026-05-18T03:28:28.994909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b5e0d86596574d81abf00f7d4581d60d477270350f94b29ad08e97e925a2219

Aliases

arxiv: 1302.4274 · arxiv_version: 1302.4274v2 · doi: 10.48550/arxiv.1302.4274 · pith_short_12: BNPA3BSZMV2N · pith_short_16: BNPA3BSZMV2NQGV7 · pith_short_8: BNPA3BSZ

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/BNPA3BSZMV2NQGV7AD35IWA5MD \
  | 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: 0b5e0d86596574d81abf00f7d4581d60d477270350f94b29ad08e97e925a2219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba2a1c5809d0a98e502b438bc107b763bbca33078d4faa5b8125f9111ab64238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2013-02-18T14:02:47Z",
    "title_canon_sha256": "a992890616cd3edd90cb6411d518c8edf5d861433a1adfde93a520ad72fc9197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4274",
    "kind": "arxiv",
    "version": 2
  }
}