Pith Number

pith:LDFXWYOA

pith:2015:LDFXWYOA2XKG3NO754SGRWZQDG

not attested not anchored not stored refs pending

Superconductivity of magnesium diboride

Paul C. Canfield, Sergey L. Bud'ko

arxiv:1501.06948 v1 · 2015-01-27 · 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{LDFXWYOA2XKG3NO754SGRWZQDG}

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	2026-05-18T01:35:43.526674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58cb7b61c0d5d46db5dfef2468db3019b2ed21deeca2be3c4afedf7d4c9de340

Aliases

arxiv: 1501.06948 · arxiv_version: 1501.06948v1 · doi: 10.48550/arxiv.1501.06948 · pith_short_12: LDFXWYOA2XKG · pith_short_16: LDFXWYOA2XKG3NO7 · pith_short_8: LDFXWYOA

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/LDFXWYOA2XKG3NO754SGRWZQDG \
  | 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: 58cb7b61c0d5d46db5dfef2468db3019b2ed21deeca2be3c4afedf7d4c9de340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e765af00675d8c63ce99b52dd12b86b2e0c6ff5670ff8aa552767c847c69aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-01-27T22:12:54Z",
    "title_canon_sha256": "c089922cefefd71ea1af08054dfd785fc863ba01f3cf4bdb921291fcdadc42a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06948",
    "kind": "arxiv",
    "version": 1
  }
}