Pith Number

pith:GPYNTW7Q

pith:2010:GPYNTW7QCYELUOQEGH74LQ6K54

not attested not anchored not stored refs pending

A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy

Catherine R. Kennedy, Dieter Reimers, Lutz Wisotzki, Norbert Christlieb, Silvia Rossi, Thirupathi Sivarani, Timothy C. Beers, Vinicius M. Placco, Young Sun Lee

arxiv:1001.2512 v1 · 2010-01-14 · 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{GPYNTW7QCYELUOQEGH74LQ6K54}

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	2026-05-18T02:09:51.953758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33f0d9dbf01608ba3a0431ffc5c3caef3ac283b3647b17eaf3495b37dceede96

Aliases

arxiv: 1001.2512 · arxiv_version: 1001.2512v1 · doi: 10.48550/arxiv.1001.2512 · pith_short_12: GPYNTW7QCYEL · pith_short_16: GPYNTW7QCYELUOQE · pith_short_8: GPYNTW7Q

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/GPYNTW7QCYELUOQEGH74LQ6K54 \
  | 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: 33f0d9dbf01608ba3a0431ffc5c3caef3ac283b3647b17eaf3495b37dceede96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c46a6498ebd60b4c39c05105bca96159b0894642dfd9a411029ef0dae4f399c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-14T17:39:14Z",
    "title_canon_sha256": "77f28f69c8579043c5e91707a2df62c788c864244e7f7f74e7a1170d4a029d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2512",
    "kind": "arxiv",
    "version": 1
  }
}