Pith Number

pith:FCVPTKDV

pith:2014:FCVPTKDV2SPLVCJXPK2757GGV4

not attested not anchored not stored refs pending

On the Sign Problem of the Fermionic Shadow Wave Function

Francesco Calcavecchia, Francesco Pederiva, Malvin H. Kalos, Thomas D. K\"uhne

arxiv:1404.6944 v1 · 2014-04-28 · physics.comp-ph · cond-mat.dis-nn · cond-mat.stat-mech · cond-mat.str-el · 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{FCVPTKDV2SPLVCJXPK2757GGV4}

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	2026-05-18T02:18:31.617525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28aaf9a875d49eba89377ab5fefcc6af171339a7d0afbe63f0f66b7e115a6094

Aliases

arxiv: 1404.6944 · arxiv_version: 1404.6944v1 · doi: 10.48550/arxiv.1404.6944 · pith_short_12: FCVPTKDV2SPL · pith_short_16: FCVPTKDV2SPLVCJX · pith_short_8: FCVPTKDV

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/FCVPTKDV2SPLVCJXPK2757GGV4 \
  | 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: 28aaf9a875d49eba89377ab5fefcc6af171339a7d0afbe63f0f66b7e115a6094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "109e9aa084441681fb6cfb848d17aff5091e3128c6bc150abcce62e4d8b6fcb9",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech",
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2014-04-28T12:05:02Z",
    "title_canon_sha256": "d0db8f38cba9fa94f8fc6bc032991d76b9debb544f412918e816736bac7d2cbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6944",
    "kind": "arxiv",
    "version": 1
  }
}