Pith Number

pith:W2PJODZZ

pith:2019:W2PJODZZP3IHOPY4LHGIYJUUV7

not attested not anchored not stored refs pending

X-ray Activity from Different Types of Stars

Jifeng Liu, Jincheng Guo, Kecheng Qian, Lin He, Roberto Soria, Ruochuan Xu, Song Wang, Xiangdong Li, Xiaojie Xu, Yanli Qiu, Yong Zhang, Yu Bai, Zhongrui Bai

arxiv:1902.00856 v1 · 2019-02-03 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2PJODZZP3IHOPY4LHGIYJUUV7}

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	2026-05-17T23:40:17.536079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b69e970f397ed0773f1c59cc8c2694afc821df318c4eac09bac10f98920b987c

Aliases

arxiv: 1902.00856 · arxiv_version: 1902.00856v1 · doi: 10.48550/arxiv.1902.00856 · pith_short_12: W2PJODZZP3IH · pith_short_16: W2PJODZZP3IHOPY4 · pith_short_8: W2PJODZZ

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/W2PJODZZP3IHOPY4LHGIYJUUV7 \
  | 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: b69e970f397ed0773f1c59cc8c2694afc821df318c4eac09bac10f98920b987c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7afd1797626ad9a23735b435f5c4319afb7e7addb2a22e0490fdaf457b6531bf",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-03T06:30:49Z",
    "title_canon_sha256": "70dba71c65d769593fb5c197676fab0f5472385fbbe901991ddbfdd040db1735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00856",
    "kind": "arxiv",
    "version": 1
  }
}