Pith Number

pith:JJ6QYC2I

pith:2010:JJ6QYC2IHJWCC7HJSNSZRDDNF5

not attested not anchored not stored refs pending

The missing atom as a source of carbon magnetism

F. Guinea, I. Brihuega, J. M. Gomez-Rodriguez, M. M. Ugeda

arxiv:1001.3081 v2 · 2010-01-18 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJ6QYC2IHJWCC7HJSNSZRDDNF5}

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	2026-05-18T02:09:42.933071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7d0c0b483a6c217ce99365988c6d2f6cd95e15de3d22e8d11ab4b1b2838b27

Aliases

arxiv: 1001.3081 · arxiv_version: 1001.3081v2 · doi: 10.48550/arxiv.1001.3081 · pith_short_12: JJ6QYC2IHJWC · pith_short_16: JJ6QYC2IHJWCC7HJ · pith_short_8: JJ6QYC2I

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/JJ6QYC2IHJWCC7HJSNSZRDDNF5 \
  | 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: 4a7d0c0b483a6c217ce99365988c6d2f6cd95e15de3d22e8d11ab4b1b2838b27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba9f60ffe2f1eb774e4b1c6f5df730b70daacbfdfabb419dc1b5c77cc297441d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2010-01-18T18:13:34Z",
    "title_canon_sha256": "e5beb31cbc5f82f2aa5c91d085803873107ecc9b88ce7f877fd5d1ed7b41c774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3081",
    "kind": "arxiv",
    "version": 2
  }
}