Pith Number

pith:U4MFSTM7

pith:2013:U4MFSTM7R4PINK2NYSDGIPFS6R

not attested not anchored not stored refs pending

Entanglement Entropy for Probe Branes

Andreas Karch, Han-Chih Chang

arxiv:1307.5325 v2 · 2013-07-19 · hep-th · 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{U4MFSTM7R4PINK2NYSDGIPFS6R}

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.

Cited by

1 paper in Pith

The nonlocal magic of a holographic Schwinger pair

Receipt and verification

First computed	2026-05-18T01:48:42.314459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a718594d9f8f1e86ab4dc486643cb2f45d7a986489b850ef0d0c7555b6290167

Aliases

arxiv: 1307.5325 · arxiv_version: 1307.5325v2 · doi: 10.48550/arxiv.1307.5325 · pith_short_12: U4MFSTM7R4PI · pith_short_16: U4MFSTM7R4PINK2N · pith_short_8: U4MFSTM7

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/U4MFSTM7R4PINK2NYSDGIPFS6R \
  | 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: a718594d9f8f1e86ab4dc486643cb2f45d7a986489b850ef0d0c7555b6290167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a17c21e936de8d344ee5c0919600e16cf8f3726a239ae81a5aaaf599911aed48",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-19T20:00:07Z",
    "title_canon_sha256": "2035f6789d9cda9b7e6362c4bb29d0e3d7cc2e5fea90deffa499f26cfe7d18b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5325",
    "kind": "arxiv",
    "version": 2
  }
}