Pith Number

pith:AEQ7DEVK

pith:2015:AEQ7DEVKZXTVY7FMLDNCZO36IM

not attested not anchored not stored refs pending

Effective spin-fermion model for strongly correlated electrons

A. Ferraz, E. Kochetov

arxiv:1502.05919 v1 · 2015-02-20 · 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{AEQ7DEVKZXTVY7FMLDNCZO36IM}

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	2026-05-18T02:26:44.507254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0121f192aacde75c7cac58da2cbb7e433fe761d8e9867abe913f052e3ab24e6b

Aliases

arxiv: 1502.05919 · arxiv_version: 1502.05919v1 · doi: 10.48550/arxiv.1502.05919 · pith_short_12: AEQ7DEVKZXTV · pith_short_16: AEQ7DEVKZXTVY7FM · pith_short_8: AEQ7DEVK

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/AEQ7DEVKZXTVY7FMLDNCZO36IM \
  | 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: 0121f192aacde75c7cac58da2cbb7e433fe761d8e9867abe913f052e3ab24e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53401517ef515e18be1b747f2a7b42520816dc9e294a1ad5f11279fc26621f28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-02-20T16:20:55Z",
    "title_canon_sha256": "13e8821f3f259e2073e28266564db01274585009f42814c78f2ca5e059f6bd3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05919",
    "kind": "arxiv",
    "version": 1
  }
}