Pith Number

pith:LUC2RYGZ

pith:2013:LUC2RYGZ6I2OLUUZGVT3QEYRAT

not attested not anchored not stored refs pending

Entanglement Entropies in One-Dimensional Systems

Luca Taddia

arxiv:1309.4003 v1 · 2013-09-16 · 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{LUC2RYGZ6I2OLUUZGVT3QEYRAT}

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	2026-05-18T03:13:11.533789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d05a8e0d9f234e5d2993567b8131104f15d036d028be65d11e84af370bf183d

Aliases

arxiv: 1309.4003 · arxiv_version: 1309.4003v1 · doi: 10.48550/arxiv.1309.4003 · pith_short_12: LUC2RYGZ6I2O · pith_short_16: LUC2RYGZ6I2OLUUZ · pith_short_8: LUC2RYGZ

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/LUC2RYGZ6I2OLUUZGVT3QEYRAT \
  | 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: 5d05a8e0d9f234e5d2993567b8131104f15d036d028be65d11e84af370bf183d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d4bdbc59bb47bc27544a5c67209c88debc37456324d95f8cc7de233286a551b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-09-16T15:23:58Z",
    "title_canon_sha256": "554c48b689a32ef52737c9cf38622d2e3544a4d27f601909b245e2f46398337b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4003",
    "kind": "arxiv",
    "version": 1
  }
}