Pith Number

pith:XN6WW7GC

pith:2000:XN6WW7GC2EKYZBDOYEDLCN6WIK

not attested not anchored not stored refs pending

Hole superconductivity from kinetic energy gain

J.E. Hirsch

arxiv:cond-mat/0005033 v1 · 2000-05-01 · 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{XN6WW7GC2EKYZBDOYEDLCN6WIK}

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	2026-05-18T03:21:32.267473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb7d6b7cc2d1158c846ec106b137d642ab32df681f148004146b40414ae5024b

Aliases

arxiv: cond-mat/0005033 · arxiv_version: cond-mat/0005033v1 · doi: 10.48550/arxiv.cond-mat/0005033 · pith_short_12: XN6WW7GC2EKY · pith_short_16: XN6WW7GC2EKYZBDO · pith_short_8: XN6WW7GC

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/XN6WW7GC2EKYZBDOYEDLCN6WIK \
  | 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: bb7d6b7cc2d1158c846ec106b137d642ab32df681f148004146b40414ae5024b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac714dc50edfede79b0adb1a1ecec636290e85701ee126887c1688dbd4d74294",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2000-05-01T23:33:07Z",
    "title_canon_sha256": "3de36fc9cbabcdce0c4ead8e7c90d7c36ce074d7d24ae45719fb8992ba1763c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0005033",
    "kind": "arxiv",
    "version": 1
  }
}