Pith Number

pith:EYPD55G2

pith:2012:EYPD55G2CDXRBRT4SJUIN6MDGE

not attested not anchored not stored refs pending

Carbon enrichment of the evolved stars in the Sagittarius dwarf spheroidal

Albert A. Zijlstra, Cezary Szyszka, Eric Lagadec, Iain McDonald, Jacobus Th. van Loon, Jennifer R. White, Lizette Guzman Ramirez, Olivia C. Jones

arxiv:1209.2563 v1 · 2012-09-12 · astro-ph.SR · 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{EYPD55G2CDXRBRT4SJUIN6MDGE}

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	2026-05-18T01:54:30.037883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

261e3ef4da10ef10c67c926886f983312f9092b9a412898a87217b9b0141dc61

Aliases

arxiv: 1209.2563 · arxiv_version: 1209.2563v1 · doi: 10.48550/arxiv.1209.2563 · pith_short_12: EYPD55G2CDXR · pith_short_16: EYPD55G2CDXRBRT4 · pith_short_8: EYPD55G2

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/EYPD55G2CDXRBRT4SJUIN6MDGE \
  | 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: 261e3ef4da10ef10c67c926886f983312f9092b9a412898a87217b9b0141dc61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b88955985ba6756a66cd7718c9de3d34338005e6bfdf375935d5553ab5bc6c2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-12T11:17:26Z",
    "title_canon_sha256": "46ed466a3110fad38ff73d5f636f2d83450feb405b8ec30f3f1988f1d3541100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2563",
    "kind": "arxiv",
    "version": 1
  }
}