Pith Number

pith:MDTH3KZH

pith:2012:MDTH3KZHF3CS4NFWKEQHUP6LFI

not attested not anchored not stored refs pending

Understanding the entanglement entropy and spectra of 2D quantum systems through arrays of coupled 1D chains

A. J. A. James, R. M. Konik

arxiv:1208.4033 v3 · 2012-08-20 · 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{MDTH3KZHF3CS4NFWKEQHUP6LFI}

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	2026-05-18T02:20:11.022226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e67dab272ec52e34b651207a3fcb2a03f324d69e6497c441cd3ae63aa1427a

Aliases

arxiv: 1208.4033 · arxiv_version: 1208.4033v3 · doi: 10.48550/arxiv.1208.4033 · pith_short_12: MDTH3KZHF3CS · pith_short_16: MDTH3KZHF3CS4NFW · pith_short_8: MDTH3KZH

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/MDTH3KZHF3CS4NFWKEQHUP6LFI \
  | 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: 60e67dab272ec52e34b651207a3fcb2a03f324d69e6497c441cd3ae63aa1427a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ddd43c24cc67e5c898290f412f188cb354be0a7024ad7cbe8e0e4a48aaf702b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2012-08-20T15:06:49Z",
    "title_canon_sha256": "d3aab5eb6a48a7e9a94dffb5ee86a87914c6806447d6173228b920b3b51cef59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4033",
    "kind": "arxiv",
    "version": 3
  }
}