Pith Number

pith:NXO5GGWX

pith:2015:NXO5GGWXRELC2367JYWJNISRCZ

not attested not anchored not stored refs pending

Explanation of a special color-magnitude diagram of star cluster NGC 1651 from different models

Caiyan Mao, Li Chen, Zhongmu Li

arxiv:1504.02563 v1 · 2015-04-10 · 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{NXO5GGWXRELC2367JYWJNISRCZ}

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	2026-05-18T01:40:49.013178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dddd31ad789162d6fdf4e2c96a251166d45880001ba98eef3de75da56d28657

Aliases

arxiv: 1504.02563 · arxiv_version: 1504.02563v1 · doi: 10.48550/arxiv.1504.02563 · pith_short_12: NXO5GGWXRELC · pith_short_16: NXO5GGWXRELC2367 · pith_short_8: NXO5GGWX

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/NXO5GGWXRELC2367JYWJNISRCZ \
  | 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: 6dddd31ad789162d6fdf4e2c96a251166d45880001ba98eef3de75da56d28657

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04451fefef122f9504e4df3e22f31d32a54d51b5e93cb144cbf556d5e8853a38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-10T07:00:58Z",
    "title_canon_sha256": "2642f24debfdfef5a5dfcfa0dc63ade43610b17f3ad9e930150968dd711d418b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02563",
    "kind": "arxiv",
    "version": 1
  }
}