Pith Number

pith:25DAEI3I

pith:2017:25DAEI3INQKFACL6OQH736IAR4

not attested not anchored not stored refs pending

The extended Hubbard model with attractive interactions

E. G. C. P. van Loon, M. I. Katsnelson

arxiv:1709.06379 v2 · 2017-09-19 · 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{25DAEI3INQKFACL6OQH736IAR4}

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	2026-05-17T23:54:03.240450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7460223686c1450097e740ffdf9008f0bad48b1db8f03bf97c28f0b62d2b94c

Aliases

arxiv: 1709.06379 · arxiv_version: 1709.06379v2 · doi: 10.48550/arxiv.1709.06379 · pith_short_12: 25DAEI3INQKF · pith_short_16: 25DAEI3INQKFACL6 · pith_short_8: 25DAEI3I

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/25DAEI3INQKFACL6OQH736IAR4 \
  | 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: d7460223686c1450097e740ffdf9008f0bad48b1db8f03bf97c28f0b62d2b94c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "016fd27ab0ae8b6f059594a49a9d4a7670ce98af181afd8e69187d9473a562be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-09-19T12:54:02Z",
    "title_canon_sha256": "ea4f73f16d84440a54a93721aab8672c17cf5937a2855c3e88e210d7529ffb7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06379",
    "kind": "arxiv",
    "version": 2
  }
}