Pith Number

pith:EFDM4UGC

pith:2004:EFDM4UGCYJ52IOPA7CZ4KUY5F2

not attested not anchored not stored refs pending

Two regimes in the magnetic field response of superconducting MgB$_2$

A. Kohen, A. M. Cucolo, A. Troianovski, D. Roditchev, F. Bobba, F. Giubileo, J. Karpinski, J. Klein, N. Zhigadlo, S.M. Kazakov, Th. Proslier, W. Sacks, Y. Noat

arxiv:cond-mat/0403700 v1 · 2004-03-29 · 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{EFDM4UGCYJ52IOPA7CZ4KUY5F2}

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	2026-07-04T14:21:05.468922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2146ce50c2c27ba439e0f8b3c5531d2eac9657926e131f38ac2f1a36f8a0e788

Aliases

arxiv: cond-mat/0403700 · arxiv_version: cond-mat/0403700v1 · doi: 10.48550/arxiv.cond-mat/0403700 · pith_short_12: EFDM4UGCYJ52 · pith_short_16: EFDM4UGCYJ52IOPA · pith_short_8: EFDM4UGC

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/EFDM4UGCYJ52IOPA7CZ4KUY5F2 \
  | 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: 2146ce50c2c27ba439e0f8b3c5531d2eac9657926e131f38ac2f1a36f8a0e788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a4a7f91bd2d71950d7053cebb653746299b25cb900be64d2ec54ee88a545cb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2004-03-29T16:37:13Z",
    "title_canon_sha256": "c1b98940ad7125f658911409728265912f661acd2873e44907fcee53b098c84a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0403700",
    "kind": "arxiv",
    "version": 1
  }
}