Pith Number

pith:SSDXSZCO

pith:2024:SSDXSZCODQYYCIKPOU2V4KBXVS

not attested not anchored not stored refs pending

Stellar cycle and evolution of polar spots in an M+WD binary

Fukun Xu, Jifeng Liu, Shenghong Gu, Song Wang, Xinlin Zhao, Xue Li, Yue Xiang

arxiv:2401.06991 v1 · 2024-01-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSDXSZCODQYYCIKPOU2V4KBXVS}

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	2026-07-05T07:33:29.344088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948779644e1c3181214f75355e2837acbaa5799d3fda357063d2b7bee1bffd5a

Aliases

arxiv: 2401.06991 · arxiv_version: 2401.06991v1 · doi: 10.48550/arxiv.2401.06991 · pith_short_12: SSDXSZCODQYY · pith_short_16: SSDXSZCODQYYCIKP · pith_short_8: SSDXSZCO

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/SSDXSZCODQYYCIKPOU2V4KBXVS \
  | 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: 948779644e1c3181214f75355e2837acbaa5799d3fda357063d2b7bee1bffd5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aab5b8521efbb8eef2fc10145a131e26a934fa5d67400d7049c65d4f9e2a9be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-01-13T06:26:39Z",
    "title_canon_sha256": "6f3986ccac659505a72b3f8958442c5d484b8affcf90885b2172d84997b13555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.06991",
    "kind": "arxiv",
    "version": 1
  }
}