Pith Number

pith:WDFC4I2J

pith:2021:WDFC4I2J2KSWHAPBN5TLHHNYNC

not attested not anchored not stored refs pending

Link representation of the entanglement entropies for all bipartitions

Germ\'an Sierra, Javier Rodr\'iguez-Laguna, Silvia N. Santalla, Sudipto Singha Roy

arxiv:2103.08929 v1 · 2021-03-16 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDFC4I2J2KSWHAPBN5TLHHNYNC}

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	2026-07-05T02:54:16.950605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ca2e2349d2a56381e16f66b39db868835493b504828456170f2c874ba070be

Aliases

arxiv: 2103.08929 · arxiv_version: 2103.08929v1 · doi: 10.48550/arxiv.2103.08929 · pith_short_12: WDFC4I2J2KSW · pith_short_16: WDFC4I2J2KSWHAPB · pith_short_8: WDFC4I2J

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/WDFC4I2J2KSWHAPBN5TLHHNYNC \
  | 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: b0ca2e2349d2a56381e16f66b39db868835493b504828456170f2c874ba070be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baba1c92feb4f15aef2aac48846a58a1a0208bdc85411c351a7ff3ba5c3b1bd4",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-16T09:17:41Z",
    "title_canon_sha256": "a9cb32374652feebf3faa299cceae883bc060f85e735a3e900d924125c36c280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08929",
    "kind": "arxiv",
    "version": 1
  }
}