Pith Number

pith:A2I36WU4

pith:2012:A2I36WU4NH3KY2QY6FOX372GUA

not attested not anchored not stored refs pending

Quantification of Entanglement from Magnetic Susceptibility for a Heisenberg Spin 1/2 system

Chiranjib Mitra, Diptaranjan Das, Harkirat Singh, Swadhin K. Mandal, Tamal K. Sen, Tanmoy Chakraborty

arxiv:1204.5669 v2 · 2012-04-25 · 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{A2I36WU4NH3KY2QY6FOX372GUA}

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	2026-05-18T02:56:19.450664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0691bf5a9c69f6ac6a18f15d7dff46a028a1fb97448da47852dfafcd740a3970

Aliases

arxiv: 1204.5669 · arxiv_version: 1204.5669v2 · doi: 10.48550/arxiv.1204.5669 · pith_short_12: A2I36WU4NH3K · pith_short_16: A2I36WU4NH3KY2QY · pith_short_8: A2I36WU4

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/A2I36WU4NH3KY2QY6FOX372GUA \
  | 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: 0691bf5a9c69f6ac6a18f15d7dff46a028a1fb97448da47852dfafcd740a3970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "036ab64f1c351c32d8926f80782af291bfffa2aff5bcb254c829dcc3eaf58d3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-04-25T14:40:09Z",
    "title_canon_sha256": "5da91097acf9f9db7582448a99707277b429a81c06d94c162a207bcfd78111f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5669",
    "kind": "arxiv",
    "version": 2
  }
}