Pith Number

pith:7MFHAHXU

pith:2019:7MFHAHXUJMMMKVFKJ2DX2SGU6I

not attested not anchored not stored refs pending

Is there a superconducting phase in the half-filled ionic Hubbard model ?

Anwesha Chattopadhyay, Arti Garg, H. R. Krishnamurthy, Soumen Bag

arxiv:1902.05897 v1 · 2019-02-15 · 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{7MFHAHXUJMMMKVFKJ2DX2SGU6I}

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	2026-05-17T23:47:58.056751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0a701ef44b18c554aa4e877d48d4f21c678a53a1059952f87cd983ca68f74a

Aliases

arxiv: 1902.05897 · arxiv_version: 1902.05897v1 · doi: 10.48550/arxiv.1902.05897 · pith_short_12: 7MFHAHXUJMMM · pith_short_16: 7MFHAHXUJMMMKVFK · pith_short_8: 7MFHAHXU

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/7MFHAHXUJMMMKVFKJ2DX2SGU6I \
  | 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: fb0a701ef44b18c554aa4e877d48d4f21c678a53a1059952f87cd983ca68f74a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce050d4af023005b3a43738e67f33b1c52945647fa4131ca90cd6872eeb2c2d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-02-15T17:35:51Z",
    "title_canon_sha256": "d1acf596dd52bfa672bba808e83ad61926ddf08a4725e3b06c482bea19dbf815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05897",
    "kind": "arxiv",
    "version": 1
  }
}