Pith Number

pith:OBJJMG7K

pith:2001:OBJJMG7K45MF4ALUVOD72RJH2E

not attested not anchored not stored refs pending

Superconducting transition temperature of MgB_2 H_0.03 is higher than that of MgB_2

G.A. Stewart, G.J. Russell, J. Horvat, S.X. Dou, V.V. Flambaum

arxiv:cond-mat/0112301 v1 · 2001-12-17 · 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{OBJJMG7K45MF4ALUVOD72RJH2E}

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	2026-07-04T14:18:53.113505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7052961beae7585e0174ab87fd4527d118ba7b1c8e10e80d6688172de5f26f28

Aliases

arxiv: cond-mat/0112301 · arxiv_version: cond-mat/0112301v1 · doi: 10.48550/arxiv.cond-mat/0112301 · pith_short_12: OBJJMG7K45MF · pith_short_16: OBJJMG7K45MF4ALU · pith_short_8: OBJJMG7K

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/OBJJMG7K45MF4ALUVOD72RJH2E \
  | 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: 7052961beae7585e0174ab87fd4527d118ba7b1c8e10e80d6688172de5f26f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f67eba0aed80c78b131ba6a6d39d69d4ff22173338f9b01da9965c2171adc646",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2001-12-17T05:34:15Z",
    "title_canon_sha256": "09076a719d7f64da9856505dff70bc10e78f9e6e381d2321fc2282089287b0b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0112301",
    "kind": "arxiv",
    "version": 1
  }
}