Pith Number

pith:PVE6KZC5

pith:2001:PVE6KZC5GELAW3YS3ZS6K34BJ7

not attested not anchored not stored refs pending

Why holes are not like electrons: A microscopic analysis of the differences between holes and electrons in condensed matter

J.E. Hirsch

arxiv:cond-mat/0109385 v3 · 2001-09-21 · 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{PVE6KZC5GELAW3YS3ZS6K34BJ7}

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	2026-05-18T01:40:06.660236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d49e5645d31160b6f12de65e56f814fdee6aafd9e79ea306ef49fabca938889

Aliases

arxiv: cond-mat/0109385 · arxiv_version: cond-mat/0109385v3 · doi: 10.48550/arxiv.cond-mat/0109385 · pith_short_12: PVE6KZC5GELA · pith_short_16: PVE6KZC5GELAW3YS · pith_short_8: PVE6KZC5

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/PVE6KZC5GELAW3YS3ZS6K34BJ7 \
  | 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: 7d49e5645d31160b6f12de65e56f814fdee6aafd9e79ea306ef49fabca938889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ce38a5c8e465453ef162219a301c3a435437fb8a2b9bdf34e234e7ca9c8b60",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2001-09-21T22:30:29Z",
    "title_canon_sha256": "a6064fe9a0231c6ef3c32dbac9b50f0529fba4890ec832170bd6a83dc75316e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0109385",
    "kind": "arxiv",
    "version": 3
  }
}