Pith Number

pith:QJCMNZ35

pith:2008:QJCMNZ35LQJCSDGIMHI22EAF75

not attested not anchored not stored refs pending

Bi-partite entanglement entropy in massive two-dimensional quantum field theory

Benjamin Doyon

arxiv:0803.1999 v2 · 2008-03-13 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJCMNZ35LQJCSDGIMHI22EAF75}

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

Time Evolution of the Symmetry Resolved Entanglement Entropy after a Mass Quench

Receipt and verification

First computed	2026-07-04T15:38:21.973820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8244c6e77d5c12290cc861d1ad1005ff4e024408b283fc808b935e1c8e3cdfcb

Aliases

arxiv: 0803.1999 · arxiv_version: 0803.1999v2 · doi: 10.48550/arxiv.0803.1999 · pith_short_12: QJCMNZ35LQJC · pith_short_16: QJCMNZ35LQJCSDGI · pith_short_8: QJCMNZ35

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/QJCMNZ35LQJCSDGIMHI22EAF75 \
  | 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: 8244c6e77d5c12290cc861d1ad1005ff4e024408b283fc808b935e1c8e3cdfcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4757a73f778ba847779eef65060dd86efb5237c80cbe8a4db5607da13aba91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-03-13T16:12:22Z",
    "title_canon_sha256": "fecc321b51a6f2d585a992d361c6c872f577113294ff5d6addd9d9390ee0416e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1999",
    "kind": "arxiv",
    "version": 2
  }
}