Pith Number

pith:UPNVM74D

pith:1999:UPNVM74DH4RKCP4IY3WGSD6DCD

not attested not anchored not stored refs pending

Comment on "Superconducting phases in the presence of Coulomb interaction: From weak to strong correlations''

A.A. Schmidt, J.J. Rodr\'iguez-N\'u\~nez

arxiv:cond-mat/9903359 v1 · 1999-03-24 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPNVM74DH4RKCP4IY3WGSD6DCD}

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	2026-05-18T01:09:19.890239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3db567f833f22a13f88c6ec690fc310e28da8a25a7ec81bac942ef5135a141a

Aliases

arxiv: cond-mat/9903359 · arxiv_version: cond-mat/9903359v1 · doi: 10.48550/arxiv.cond-mat/9903359 · pith_short_12: UPNVM74DH4RK · pith_short_16: UPNVM74DH4RKCP4I · pith_short_8: UPNVM74D

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/UPNVM74DH4RKCP4IY3WGSD6DCD \
  | 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: a3db567f833f22a13f88c6ec690fc310e28da8a25a7ec81bac942ef5135a141a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9ef30d119adccc8dc0357f0513bced6e2420f74be119a661d013582afce1fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-03-24T11:55:42Z",
    "title_canon_sha256": "d36e5e0dba9073ab4a6ab5719646a025696cfa8b9c08c43b0ff7f01ecd7e11bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9903359",
    "kind": "arxiv",
    "version": 1
  }
}