Pith Number

pith:NR2T2EI2

pith:2018:NR2T2EI2ZDSAABIGX7TTS4PMMI

not attested not anchored not stored refs pending

Solution of the "sign problem" for the half filled Hubbard-Holstein model

Kazuhiro Seki, Sandro Sorella, Seher Karakuzu

arxiv:1808.07759 v2 · 2018-08-23 · 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{NR2T2EI2ZDSAABIGX7TTS4PMMI}

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	2026-05-18T00:00:18.385439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c753d111ac8e4000506bfe73971ec620e98b15c69bdd17a213035f942638f09

Aliases

arxiv: 1808.07759 · arxiv_version: 1808.07759v2 · doi: 10.48550/arxiv.1808.07759 · pith_short_12: NR2T2EI2ZDSA · pith_short_16: NR2T2EI2ZDSAABIG · pith_short_8: NR2T2EI2

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/NR2T2EI2ZDSAABIGX7TTS4PMMI \
  | 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: 6c753d111ac8e4000506bfe73971ec620e98b15c69bdd17a213035f942638f09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fa564f0ff7a50898412fddc7c3c01aa61d85e6bcdd2067e7d6872bb3e6ffe2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-08-23T13:54:48Z",
    "title_canon_sha256": "3777bdc37c3cc383dc5ee44b8f9ac9aa1ca856e4540cddeb04fee8a0d645c82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07759",
    "kind": "arxiv",
    "version": 2
  }
}