Pith Number

pith:Y2POXCEA

pith:2013:Y2POXCEAZ64I2KFKVTVCUFASWU

not attested not anchored not stored refs pending

Measuring Detailed Chemical Abundances From Co-added Medium Resolution Spectra I. Tests using Milky Way dwarf spheroidal galaxies and globular clusters

Eric W. Peng (KIAA-PKU), Evan N. Kirby (Caltech), Lei Yang (PKU), Lucy Cheng (Harker School), Puragra Guhathakurta (UCSC)

arxiv:1303.1222 v1 · 2013-03-05 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2POXCEAZ64I2KFKVTVCUFASWU}

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	2026-05-18T01:51:16.469184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69eeb8880cfb88d28aaacea2a1412b5162d88053d1c16677ae9331dc986ea8b

Aliases

arxiv: 1303.1222 · arxiv_version: 1303.1222v1 · doi: 10.48550/arxiv.1303.1222 · pith_short_12: Y2POXCEAZ64I · pith_short_16: Y2POXCEAZ64I2KFK · pith_short_8: Y2POXCEA

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/Y2POXCEAZ64I2KFKVTVCUFASWU \
  | 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: c69eeb8880cfb88d28aaacea2a1412b5162d88053d1c16677ae9331dc986ea8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "646bfa5704a91f6e15439f6a83ad76bc14159892b9c8d12a9c81bd50b5f4d94f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-03-05T23:42:52Z",
    "title_canon_sha256": "9fd8d17e59749d6bf6543fb2b48ec2b9ee72a0ca3db3718269b77088ed3003a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1222",
    "kind": "arxiv",
    "version": 1
  }
}