Pith Number

pith:HK2WOCOA

pith:2025:HK2WOCOAA72IEU3UZWQ7TX2KA5

not attested not anchored not stored refs pending

Influence of molecular rotation on the generation of N$_2^+$ air lasing

Hongchuan Du, Jianfeng Guo, Luzhen Yang, PengJi Ding, Ping Li, Shan Xue, Wenli Yang

arxiv:2504.18124 v1 · 2025-04-25 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HK2WOCOAA72IEU3UZWQ7TX2KA5}

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	2026-07-05T10:54:02.156494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab56709c007f4825374cda1f9df4a07610ce818cc558418c82f9529f1d44d0c

Aliases

arxiv: 2504.18124 · arxiv_version: 2504.18124v1 · doi: 10.48550/arxiv.2504.18124 · pith_short_12: HK2WOCOAA72I · pith_short_16: HK2WOCOAA72IEU3U · pith_short_8: HK2WOCOA

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/HK2WOCOAA72IEU3UZWQ7TX2KA5 \
  | 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: 3ab56709c007f4825374cda1f9df4a07610ce818cc558418c82f9529f1d44d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18bf5e7deac7a1d98ee447f2fdb888a5722b814d163099b6369afe0c1d31d773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-04-25T07:10:01Z",
    "title_canon_sha256": "34ff2061ff45db95bedad522239505bb79279557b9a2891b811eee0eeb251504"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18124",
    "kind": "arxiv",
    "version": 1
  }
}