Pith Number

pith:F6RBAC3G

pith:2026:F6RBAC3GFVK63YUM6LTSVSCV4W

not attested not anchored not stored refs pending

Surface brightness-color relations for red giant branch stars: Observational constraints on metallicity effects using the ARD method

Chao Liu, Jianping Xiong, Jiao Li, Qiyuan Cheng, Xiaobin Zhang, Xiaodian Chen, Xuefei Chen, Zhanwen Han

arxiv:2606.22818 v1 · 2026-06-22 · 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{F6RBAC3GFVK63YUM6LTSVSCV4W}

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	2026-06-23T02:14:00.293816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fa2100b662d55ede28cf2e72ac855e58f36ffc58960806c8d906e0e6e254da0

Aliases

arxiv: 2606.22818 · arxiv_version: 2606.22818v1 · doi: 10.48550/arxiv.2606.22818 · pith_short_12: F6RBAC3GFVK6 · pith_short_16: F6RBAC3GFVK63YUM · pith_short_8: F6RBAC3G

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/F6RBAC3GFVK63YUM6LTSVSCV4W \
  | 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: 2fa2100b662d55ede28cf2e72ac855e58f36ffc58960806c8d906e0e6e254da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6ba398c91bebb90a64b4f43b186c974c812830d3d23325ff1f0ca41971c2ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-22T03:46:45Z",
    "title_canon_sha256": "69b27fe8328dac8dc7824d3c51e0199134eec5f6fede68e7acae5e4808b6026e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22818",
    "kind": "arxiv",
    "version": 1
  }
}