Pith Number

pith:YKJLFO2M

pith:2010:YKJLFO2MPQ2QTASXOTCE5VZMK4

not attested not anchored not stored refs pending

Entanglement entropy for the n-sphere

H. Casini, M. Huerta

arxiv:1007.1813 v2 · 2010-07-12 · 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{YKJLFO2MPQ2QTASXOTCE5VZMK4}

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

2 papers in Pith

Extraordinary Surface Criticalities for Interacting Fermions

Receipt and verification

First computed	2026-05-18T02:33:09.353731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c292b2bb4c7c3509825774c44ed72c572d2832c70901c021bcb5f6974705a0c4

Aliases

arxiv: 1007.1813 · arxiv_version: 1007.1813v2 · doi: 10.48550/arxiv.1007.1813 · pith_short_12: YKJLFO2MPQ2Q · pith_short_16: YKJLFO2MPQ2QTASX · pith_short_8: YKJLFO2M

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/YKJLFO2MPQ2QTASXOTCE5VZMK4 \
  | 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: c292b2bb4c7c3509825774c44ed72c572d2832c70901c021bcb5f6974705a0c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8578f710bf77bacf93d9d34af8d70df44d396f80a90ce17581cbaac7a55d036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-07-12T01:36:35Z",
    "title_canon_sha256": "a72db7d70c8bbb0b43c7f4d224e433ba1198277972b5f23cb7618533b9c3fb63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1813",
    "kind": "arxiv",
    "version": 2
  }
}