Pith Number

pith:GXF324OJ

pith:2021:GXF324OJDMIC5VPDB5KIHWGFTF

not attested not anchored not stored refs pending

Entanglement Spectrum in General Free Fermionic Systems

Aditya Banerjee, Eldad Bettelheim, Martin B. Plenio, Susana F. Huelga

arxiv:2108.06124 v1 · 2021-08-13 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXF324OJDMIC5VPDB5KIHWGFTF}

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	2026-07-05T04:07:24.066435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35cbbd71c91b102ed5e30f5483d8c59948944b63910878e6ebb6d1e649f4719f

Aliases

arxiv: 2108.06124 · arxiv_version: 2108.06124v1 · doi: 10.48550/arxiv.2108.06124 · pith_short_12: GXF324OJDMIC · pith_short_16: GXF324OJDMIC5VPD · pith_short_8: GXF324OJ

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/GXF324OJDMIC5VPDB5KIHWGFTF \
  | 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: 35cbbd71c91b102ed5e30f5483d8c59948944b63910878e6ebb6d1e649f4719f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b627020b909b328ec5930e1b40682c551d83e2a63d0b88b186e01d5be6b08881",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-13T08:52:59Z",
    "title_canon_sha256": "fb0e4de5fde6def9f943c02b948b0f78a613c386ec26fa6e5ac55f20eebcccf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06124",
    "kind": "arxiv",
    "version": 1
  }
}