Pith Number

pith:B3SVB4HP

pith:2019:B3SVB4HPXGOPEGERHNHDB6XZCC

not attested not anchored not stored refs pending

High-frequency EPR study on Cu$_4$Cu- and Co$_4$Co-metallacrown complexes

C. Koo, E. Rentschler, J. Butscher, J. Park, R. Klingeler

arxiv:1903.04031 v1 · 2019-03-10 · 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{B3SVB4HPXGOPEGERHNHDB6XZCC}

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	2026-05-17T23:50:55.052980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee550f0efb99cf218913b4e30faf91098cfbc3fec41abd75eff3cb81eecaee8

Aliases

arxiv: 1903.04031 · arxiv_version: 1903.04031v1 · doi: 10.48550/arxiv.1903.04031 · pith_short_12: B3SVB4HPXGOP · pith_short_16: B3SVB4HPXGOPEGER · pith_short_8: B3SVB4HP

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/B3SVB4HPXGOPEGERHNHDB6XZCC \
  | 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: 0ee550f0efb99cf218913b4e30faf91098cfbc3fec41abd75eff3cb81eecaee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5125f417b4b632ddd8ec7fdd7399f43d5f41bc8a550ef86e0bdb2937295fa666",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-03-10T18:20:59Z",
    "title_canon_sha256": "6eb4acba4f27fba6ab5b9450898985fb61e20e1c001cd12c00212a31c0c6a5f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04031",
    "kind": "arxiv",
    "version": 1
  }
}