Pith Number

pith:GMBMUQFA

pith:2021:GMBMUQFAPDFRAKQQEDY7ZD3NYM

not attested not anchored not stored refs pending

Population inversion and Dirac fermion cooling in 3D Dirac semimetal Cd$_3$As$_2$

Changhua Bao, Dong Sun, Haoyuan Zhong, Laipeng Luo, Qian Li, Qixuan Gao, Shaohua Zhou, Sheng Xu, Shuyun Zhou, Tian-Long Xia, Xiang-Yu Zeng

arxiv:2112.09371 v1 · 2021-12-17 · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMBMUQFAPDFRAKQQEDY7ZD3NYM}

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	2026-07-05T03:56:53.490808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3302ca40a078cb102a1020f1fc8f6dc320869b5b20274d89eb984a503e441461

Aliases

arxiv: 2112.09371 · arxiv_version: 2112.09371v1 · doi: 10.48550/arxiv.2112.09371 · pith_short_12: GMBMUQFAPDFR · pith_short_16: GMBMUQFAPDFRAKQQ · pith_short_8: GMBMUQFA

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/GMBMUQFAPDFRAKQQEDY7ZD3NYM \
  | 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: 3302ca40a078cb102a1020f1fc8f6dc320869b5b20274d89eb984a503e441461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a9e6d0a9d16802af34fe4e3d376f2e660b7628498839ef7a63bf6d285dd5248",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-12-17T07:59:48Z",
    "title_canon_sha256": "e3aa970f8657013e96473c2a2f5bcf66984e346610b3a697bb6d8af91dfa4746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09371",
    "kind": "arxiv",
    "version": 1
  }
}