Pith Number

pith:K3UB7V6L

pith:2026:K3UB7V6LUEJKCR2YFJALS5WE3I

not attested not anchored not stored refs pending

Lattice studies of entanglement entropy in $O(N)$ models at finite densities

Aatu Rajala, Niko Jokela, Tobias Rindlisbacher

arxiv:2602.22881 v2 · 2026-02-26 · hep-lat · 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{K3UB7V6LUEJKCR2YFJALS5WE3I}

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	2026-07-08T01:19:11.129037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56e81fd7cba112a147582a40b976c4da11e3716ff0c014f272bf1f80e0225f5b

Aliases

arxiv: 2602.22881 · arxiv_version: 2602.22881v2 · doi: 10.48550/arxiv.2602.22881 · pith_short_12: K3UB7V6LUEJK · pith_short_16: K3UB7V6LUEJKCR2Y · pith_short_8: K3UB7V6L

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/K3UB7V6LUEJKCR2YFJALS5WE3I \
  | 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: 56e81fd7cba112a147582a40b976c4da11e3716ff0c014f272bf1f80e0225f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60663c1a15339052b5d01ddb4e5e98ae730c8e17a30a3d05350e39758f8bfbef",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2026-02-26T11:21:59Z",
    "title_canon_sha256": "cf467a351891243dbb57d2eb393222ce64e4630b65da49ac7ee3b5987c648b0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.22881",
    "kind": "arxiv",
    "version": 2
  }
}