Pith Number

pith:LJEW6AJI

pith:2025:LJEW6AJIXSKC7VEAOBBM7UOTVP

not attested not anchored not stored refs pending

Calibrating the Color-Magnitude Relation of M Giants by Using Open Clusters

Chaojie Hao, Dejian Liu, Jing Li, Jing Zhong, Longfei Ding, Xiaofang Long, Xiaoyu Tang, Ye Xu, Yingjie Li, Zehao Lin, Zhengzhou Yan

arxiv:2502.20841 v1 · 2025-02-28 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJEW6AJIXSKC7VEAOBBM7UOTVP}

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	2026-07-05T10:21:40.780298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a496f0128bc942fd4807042cfd1d3abcc7c857b2e099a56d38b000def3d79d5

Aliases

arxiv: 2502.20841 · arxiv_version: 2502.20841v1 · doi: 10.48550/arxiv.2502.20841 · pith_short_12: LJEW6AJIXSKC · pith_short_16: LJEW6AJIXSKC7VEA · pith_short_8: LJEW6AJI

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/LJEW6AJIXSKC7VEAOBBM7UOTVP \
  | 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: 5a496f0128bc942fd4807042cfd1d3abcc7c857b2e099a56d38b000def3d79d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb33f15cfed4830744b0dfd8ad0ba72d4089275571c7e4559919c97fb2bd01f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-28T08:37:57Z",
    "title_canon_sha256": "2663cf63a49e867c38ca302ae569554e430bb71a5282a88393e7789e701631b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20841",
    "kind": "arxiv",
    "version": 1
  }
}