Pith Number

pith:WGWDTLHQ

pith:2013:WGWDTLHQQ3XTTVWAXLBCGG67F4

not attested not anchored not stored refs pending

Rare-Earth vs. Heavy Metal Pigments and their Colors from First Principles

A. Georges, Jan M. Tomczak, L. Vaugier, L. V. Pourovskii, S. Biermann

arxiv:1301.0630 v1 · 2013-01-03 · cond-mat.str-el · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGWDTLHQQ3XTTVWAXLBCGG67F4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:36:26.505211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ac39acf086ef39d6c0bac2231bdf2f1573853003eb9e05408e7c6d5ceffde3

Aliases

arxiv: 1301.0630 · arxiv_version: 1301.0630v1 · doi: 10.48550/arxiv.1301.0630 · pith_short_12: WGWDTLHQQ3XT · pith_short_16: WGWDTLHQQ3XTTVWA · pith_short_8: WGWDTLHQ

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/WGWDTLHQQ3XTTVWAXLBCGG67F4 \
  | 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: b1ac39acf086ef39d6c0bac2231bdf2f1573853003eb9e05408e7c6d5ceffde3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772a08ce75b10f77ceda11ea1513e01839cd46d90b14fab6282ca86f45abc9cb",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-01-03T21:01:25Z",
    "title_canon_sha256": "c26b0e5331a618620a1088ed4a4a9cd8485f477728c3f089a3a07272b09ca984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0630",
    "kind": "arxiv",
    "version": 1
  }
}