Pith Number

pith:CXGGFPCM

pith:2019:CXGGFPCMTTBYLVP2TMMIWKWN72

not attested not anchored not stored refs pending

The COMBS survey I: Chemical Origins of Metal-Poor Stars in the Galactic Bulge

Anna F. Marino, Chiaki Kobayashi, Keith Hawkins, Kenneth C. Freeman, Luca Casagrande, Madeline Lucey, Martin Asplund, Melissa Ness, Sofia Feltzing, Thomas Bensby

arxiv:1903.11615 v2 · 2019-03-27 · 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{CXGGFPCMTTBYLVP2TMMIWKWN72}

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	2026-05-17T23:40:32.919040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15cc62bc4c9cc385d5fa9b188b2acdfeb1e126df7dc2710accd2cc3367db6d2a

Aliases

arxiv: 1903.11615 · arxiv_version: 1903.11615v2 · doi: 10.48550/arxiv.1903.11615 · pith_short_12: CXGGFPCMTTBY · pith_short_16: CXGGFPCMTTBYLVP2 · pith_short_8: CXGGFPCM

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/CXGGFPCMTTBYLVP2TMMIWKWN72 \
  | 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: 15cc62bc4c9cc385d5fa9b188b2acdfeb1e126df7dc2710accd2cc3367db6d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "355a1bad50712a36106a036ae31ffdaffa36e9d39bf92d877ae03dbc55657350",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-27T18:00:05Z",
    "title_canon_sha256": "8f5304d41337d66cc1b1323439de20040f231464776dd856fd3c1db135b43aac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11615",
    "kind": "arxiv",
    "version": 2
  }
}