Pith Number

pith:COY7GUI7

pith:2012:COY7GUI7YD4K2IS3L2IVBRIBY3

not attested not anchored not stored refs pending

Chemical composition of giants from two moving groups

B. C. Lee, F. Liu, G. Zhao, I. Han, K. M. Kim, Y. Q. Chen, Z. S. Zhao

arxiv:1203.1452 v1 · 2012-03-07 · 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{COY7GUI7YD4K2IS3L2IVBRIBY3}

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	2026-05-18T03:55:11.967830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b1f3511fc0f8ad225b5e9150c501c6f219629b354b9ff4cd0c52c60834d719

Aliases

arxiv: 1203.1452 · arxiv_version: 1203.1452v1 · doi: 10.48550/arxiv.1203.1452 · pith_short_12: COY7GUI7YD4K · pith_short_16: COY7GUI7YD4K2IS3 · pith_short_8: COY7GUI7

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/COY7GUI7YD4K2IS3L2IVBRIBY3 \
  | 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: 13b1f3511fc0f8ad225b5e9150c501c6f219629b354b9ff4cd0c52c60834d719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c8957567acd8a6113f59cc3838ede7380df384d1a9ddfbd56e194cb94c1953d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-07T12:30:00Z",
    "title_canon_sha256": "29daaae5bf3710fa4c07da044d237c483a123b75010e4ea7a84963b86477a721"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1452",
    "kind": "arxiv",
    "version": 1
  }
}