Pith Number

pith:ZCOAIIHP

pith:2015:ZCOAIIHPYVUK4CL57ZUSFZS2TM

not attested not anchored not stored refs pending

Modeling Multi-wavelength Pulse Profiles of Millisecond Pulsar PSR B1821-24

GuoJun Qiao, Hengbin Zhang, Jing Meng, Liangwei Huang, Linzhong Fu, Ping Shuai, Qian Zhang, Qingqing Lin, Shaolong Chen, Xiaomin Bei, Xinyuan Zhang, Yaojun Wu, Yuanjie Du

arxiv:1501.02867 v1 · 2015-01-13 · 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{ZCOAIIHPYVUK4CL57ZUSFZS2TM}

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	2026-05-18T02:23:26.195140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c89c0420efc568ae097dfe6922e65a9b327107cb360e72f3d16d5096fc6e0240

Aliases

arxiv: 1501.02867 · arxiv_version: 1501.02867v1 · doi: 10.48550/arxiv.1501.02867 · pith_short_12: ZCOAIIHPYVUK · pith_short_16: ZCOAIIHPYVUK4CL5 · pith_short_8: ZCOAIIHP

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/ZCOAIIHPYVUK4CL57ZUSFZS2TM \
  | 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: c89c0420efc568ae097dfe6922e65a9b327107cb360e72f3d16d5096fc6e0240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99e2cdad876eaa1d0469663659d7758786bcac0b3a8b5bcc1ffc89955aa9734",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-13T02:12:30Z",
    "title_canon_sha256": "238f4177c5b77c41b8ee1ddbd1440b4ad129a77e303dd829c986b95817d6992e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02867",
    "kind": "arxiv",
    "version": 1
  }
}