Pith Number

pith:IVJ2KHJ7

pith:2013:IVJ2KHJ7EK3FDFZOHHADISBNNP

not attested not anchored not stored refs pending

Carbon Abundances of Metal-Poor Star Determined from the C I 1.068-1.069 micron Lines

Masahide Takada-Hidai, Yoichi Takeda

arxiv:1302.3313 v1 · 2013-02-14 · 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{IVJ2KHJ7EK3FDFZOHHADISBNNP}

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	2026-05-18T01:51:41.480391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4553a51d3f22b651972e39c034482d6bdc6c1a068a12e8609d4345e2c39bf65a

Aliases

arxiv: 1302.3313 · arxiv_version: 1302.3313v1 · doi: 10.48550/arxiv.1302.3313 · pith_short_12: IVJ2KHJ7EK3F · pith_short_16: IVJ2KHJ7EK3FDFZO · pith_short_8: IVJ2KHJ7

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/IVJ2KHJ7EK3FDFZOHHADISBNNP \
  | 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: 4553a51d3f22b651972e39c034482d6bdc6c1a068a12e8609d4345e2c39bf65a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650e0dc22e113955f9e72878e59a4606f6f793ba07b8a38630d7173cb917396f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-14T05:27:27Z",
    "title_canon_sha256": "b146dcc90b83ac45a86d0534ce1ba03976cb2a76b751f927478a1d46531abead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3313",
    "kind": "arxiv",
    "version": 1
  }
}