Pith Number

pith:VP27KOIO

pith:2020:VP27KOIOYN5UOMJV54GSXHFXC6

not attested not anchored not stored refs pending

Effective entropy of quantum fields coupled with gravity

Xiao-Liang Qi, Xi Dong, Zhenbin Yang, Zhou Shangnan

arxiv:2007.02987 v1 · 2020-07-06 · 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{VP27KOIOYN5UOMJV54GSXHFXC6}

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

3 papers in Pith

Pure states for subregions in gravity and their entanglement entropy

Subregion observer rules from generalized entanglement wedges

A Tale of Two Hartle-Hawking Wave Functions: Fully Gravitational vs Partially Frozen

Receipt and verification

First computed	2026-07-05T01:46:22.890971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf5f5390ec37b473135ef0d2b9cb71784ddaa2545dcd963e9de6d50993a4d70

Aliases

arxiv: 2007.02987 · arxiv_version: 2007.02987v1 · doi: 10.48550/arxiv.2007.02987 · pith_short_12: VP27KOIOYN5U · pith_short_16: VP27KOIOYN5UOMJV · pith_short_8: VP27KOIO

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/VP27KOIOYN5UOMJV54GSXHFXC6 \
  | 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: abf5f5390ec37b473135ef0d2b9cb71784ddaa2545dcd963e9de6d50993a4d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73292e9fbb95bd6271101814efd2a9436afa1cbf52a01f16533eeae18117bac2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-07-06T18:14:09Z",
    "title_canon_sha256": "406b346d327de359040c77ff168056792f445b2ffa62081c63f399314eb2e8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02987",
    "kind": "arxiv",
    "version": 1
  }
}