Pith Number

pith:N3Y7K32F

pith:2026:N3Y7K32FV4S7MKNP53BKV3QZLJ

not attested not anchored not stored refs pending

Pure states for subregions in gravity and their entanglement entropy

Zixia Wei

arxiv:2606.03977 v1 · 2026-06-02 · hep-th · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3Y7K32FV4S7MKNP53BKV3QZLJ}

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.

Receipt and verification

First computed	2026-06-03T02:06:08.448533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ef1f56f45af25f629afeec2aaee195a63f105fe958f4357af7090c24df390ec

Aliases

arxiv: 2606.03977 · arxiv_version: 2606.03977v1 · doi: 10.48550/arxiv.2606.03977 · pith_short_12: N3Y7K32FV4S7 · pith_short_16: N3Y7K32FV4S7MKNP · pith_short_8: N3Y7K32F

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/N3Y7K32FV4S7MKNP53BKV3QZLJ \
  | 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: 6ef1f56f45af25f629afeec2aaee195a63f105fe958f4357af7090c24df390ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ff09e34a45d04623f994ddca9dc2d1367d83c8ff6ee727ebb04a28d29701665",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-06-02T17:56:33Z",
    "title_canon_sha256": "d0321117ec5c6319f83437dddbaa9ade71fe6bad74ed85502e983ff6c36ca957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03977",
    "kind": "arxiv",
    "version": 1
  }
}