Pith Number

pith:42NFOF5N

pith:1999:42NFOF5NSI3ZKQHNMMZJIFG6QP

not attested not anchored not stored refs pending

SO(5) theory of insulating vortex cores in high-$T_c$ materials

Brian M{\o}ller Andersen, Henrik Bruus, Per Hedeg{\aa}rd

arxiv:cond-mat/9906233 v1 · 1999-06-16 · cond-mat.supr-con · 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{42NFOF5NSI3ZKQHNMMZJIFG6QP}

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	2026-05-18T01:09:19.801546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69a5717ad92379540ed63329414de83ccd29bb3494614a1202e7f037a6c7baf

Aliases

arxiv: cond-mat/9906233 · arxiv_version: cond-mat/9906233v1 · doi: 10.48550/arxiv.cond-mat/9906233 · pith_short_12: 42NFOF5NSI3Z · pith_short_16: 42NFOF5NSI3ZKQHN · pith_short_8: 42NFOF5N

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/42NFOF5NSI3ZKQHNMMZJIFG6QP \
  | 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: e69a5717ad92379540ed63329414de83ccd29bb3494614a1202e7f037a6c7baf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81c1d79df745db69829bf2582b92300da9fad77d309390fb6d347c91ee7b54f",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-06-16T09:21:48Z",
    "title_canon_sha256": "0f52e6d07ea0add58a6d4856263051a99d211b957b59779260653ee18dd493fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9906233",
    "kind": "arxiv",
    "version": 1
  }
}