Pith Number

pith:3NP4WP5V

pith:2025:3NP4WP5VPESXP6CESM7WU3BXGW

not attested not anchored not stored refs pending

Modular Hamiltonian and entanglement entropy in the BMS free fermion theory

Peng-Xiang Hao, Wei Song, Wen-Xin Lai, Zehua Xiao

arxiv:2507.10503 v1 · 2025-07-14 · 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{3NP4WP5VPESXP6CESM7WU3BXGW}

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

4 papers in Pith

Topics in Celestial holography: A bottom-up perspective

Conformal Blocks in 2d Carrollian/Galilean CFTs and Excited State Entanglement Entropy

More on Bulk Local State Reconstruction in Flat/Carr CFT

Receipt and verification

First computed	2026-07-05T11:36:52.916856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5fcb3fb5792577f844933f6a6c37358133530da5f9da587dff0f7b304da490

Aliases

arxiv: 2507.10503 · arxiv_version: 2507.10503v1 · doi: 10.48550/arxiv.2507.10503 · pith_short_12: 3NP4WP5VPESX · pith_short_16: 3NP4WP5VPESXP6CE · pith_short_8: 3NP4WP5V

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/3NP4WP5VPESXP6CESM7WU3BXGW \
  | 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: db5fcb3fb5792577f844933f6a6c37358133530da5f9da587dff0f7b304da490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac677013349fc7176d76150442fe6b5ae9cc04441cabc61d1633224c4fae2a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-07-14T17:26:01Z",
    "title_canon_sha256": "be6f67db5c74f303abec2b5faa3193c8c498046eca9b55f77989461f68559b2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10503",
    "kind": "arxiv",
    "version": 1
  }
}