Pith Number

pith:GTDE73RO

pith:2007:GTDE73ROX2PICL7QR5C6MC72C6

not attested not anchored not stored refs pending

The superconducting gap in the Hubbard model and the two gap energy scales in high-Tc cuprates

E. Arrigoni, M. Aichhorn, W. Hanke, Z. B. Huang

arxiv:cond-mat/0702391 v2 · 2007-02-16 · cond-mat.str-el · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTDE73ROX2PICL7QR5C6MC72C6}

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	2026-07-04T15:06:21.996334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34c64fee2ebe9e812ff08f45e60bfa17a2f86fdf7ee601d3187fb31a73942e29

Aliases

arxiv: cond-mat/0702391 · arxiv_version: cond-mat/0702391v2 · doi: 10.48550/arxiv.cond-mat/0702391 · pith_short_12: GTDE73ROX2PI · pith_short_16: GTDE73ROX2PICL7Q · pith_short_8: GTDE73RO

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/GTDE73ROX2PICL7QR5C6MC72C6 \
  | 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: 34c64fee2ebe9e812ff08f45e60bfa17a2f86fdf7ee601d3187fb31a73942e29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d946f7a2294ad2539aeb0f61feebcc11b68fe32bb342a73dcac393e5acd076",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2007-02-16T12:52:57Z",
    "title_canon_sha256": "fd5be98ff656fad5a711851869673c199078fb93124fda05c03c0d80053ab89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0702391",
    "kind": "arxiv",
    "version": 2
  }
}