Pith Number

pith:NM2B5JVZ

pith:2014:NM2B5JVZFZTTJOGZ3HIMKNZIW3

not attested not anchored not stored refs pending

Pressure-induced Superconductivity in CaC2

Hai-Qing Lin, Ho-kwang Mao, Rajeev Ahuja, Wei Luo, Yan-Ling Li, Zhi Zeng

arxiv:1410.7130 v1 · 2014-10-27 · 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{NM2B5JVZFZTTJOGZ3HIMKNZIW3}

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	2026-05-18T02:39:17.972841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b341ea6b92e6734b8d9d9d0c53728b6d011c1c5c1a0127171e0976e1d635715

Aliases

arxiv: 1410.7130 · arxiv_version: 1410.7130v1 · doi: 10.48550/arxiv.1410.7130 · pith_short_12: NM2B5JVZFZTT · pith_short_16: NM2B5JVZFZTTJOGZ · pith_short_8: NM2B5JVZ

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/NM2B5JVZFZTTJOGZ3HIMKNZIW3 \
  | 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: 6b341ea6b92e6734b8d9d9d0c53728b6d011c1c5c1a0127171e0976e1d635715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5dd21fe6853d1bececf21433fb85431c867623b56da44e893416055925d32a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-10-27T05:53:49Z",
    "title_canon_sha256": "a0f3809e2131e5221e3172c3b1aa5c113c8200c9272271a1e1a9b4e2a9510204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7130",
    "kind": "arxiv",
    "version": 1
  }
}