Pith Number

pith:KQNL3KOU

pith:2014:KQNL3KOUP47IYYWEV5YBV2INFB

not attested not anchored not stored refs pending

A new spin on entanglement entropy

Eliot Hijano, Per Kraus

arxiv:1406.1804 v2 · 2014-06-06 · 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{KQNL3KOUP47IYYWEV5YBV2INFB}

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	2026-05-18T01:43:01.464092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541abda9d47f3e8c62c4af701ae90d284d8d2d784c6df571c1b46cce2ca4bdab

Aliases

arxiv: 1406.1804 · arxiv_version: 1406.1804v2 · doi: 10.48550/arxiv.1406.1804 · pith_short_12: KQNL3KOUP47I · pith_short_16: KQNL3KOUP47IYYWE · pith_short_8: KQNL3KOU

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/KQNL3KOUP47IYYWEV5YBV2INFB \
  | 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: 541abda9d47f3e8c62c4af701ae90d284d8d2d784c6df571c1b46cce2ca4bdab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d4401a1dc02ac906c1048ccfe027d61d484076d790753c72927472e4ca7b54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-06-06T20:08:54Z",
    "title_canon_sha256": "3b75bd4f2f0e78c3e2d0e21cdd3ea101f8af1d09847f4f1d0bad6c36ba654292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1804",
    "kind": "arxiv",
    "version": 2
  }
}