Pith Number

pith:NGUMMNBF

pith:2004:NGUMMNBF4YVBKZG2EGNS35RXP7

not attested not anchored not stored refs pending

Hydrodynamic Formulation of the Hubbard Model

Allahabad), Girish S. Setlur (HRI

arxiv:cond-mat/0402472 v2 · 2004-02-18 · 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{NGUMMNBF4YVBKZG2EGNS35RXP7}

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	2026-05-18T01:06:54.543674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a8c63425e62a1564da219b2df6377fdbd1c0b7652509d9913ec28de5b3b2e8

Aliases

arxiv: cond-mat/0402472 · arxiv_version: cond-mat/0402472v2 · doi: 10.48550/arxiv.cond-mat/0402472 · pith_short_12: NGUMMNBF4YVB · pith_short_16: NGUMMNBF4YVBKZG2 · pith_short_8: NGUMMNBF

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/NGUMMNBF4YVBKZG2EGNS35RXP7 \
  | 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: 69a8c63425e62a1564da219b2df6377fdbd1c0b7652509d9913ec28de5b3b2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcbda78f719d22bc7c50a4f211e49bac0fd8d4de642717a44b6bb8069d27e2ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2004-02-18T15:15:17Z",
    "title_canon_sha256": "b57d07ca5060529db8f5cfc8281540efba5e6a285bf405ea6661c17a0fab6af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0402472",
    "kind": "arxiv",
    "version": 2
  }
}