Pith Number

pith:5DWORDFD

pith:2019:5DWORDFDNZEZWHUQRNPISSZ7MU

not attested not anchored not stored refs pending

Elemental Abundances in M31: A Comparative Analysis of Iron and Alpha Element Abundances in the Outer Disk, Giant Stellar Stream, and Inner Halo of M31

Emily C. Cunningham, Evan N. Kirby, Ivanna Escala, Jennifer Wojno, Karoline M. Gilbert, Puragra Guhathakurta

arxiv:1909.00006 v2 · 2019-08-30 · 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{5DWORDFDNZEZWHUQRNPISSZ7MU}

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	2026-07-05T00:39:57.199776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8ece88ca36e499b1e908b5e894b3f650a18fdb1cc0f5592b9b12d2034af2895

Aliases

arxiv: 1909.00006 · arxiv_version: 1909.00006v2 · doi: 10.48550/arxiv.1909.00006 · pith_short_12: 5DWORDFDNZEZ · pith_short_16: 5DWORDFDNZEZWHUQ · pith_short_8: 5DWORDFD

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/5DWORDFDNZEZWHUQRNPISSZ7MU \
  | 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: e8ece88ca36e499b1e908b5e894b3f650a18fdb1cc0f5592b9b12d2034af2895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218f684951634ffbc98307bdfc41d1df92ebd18b9533702932c6cea0588ef6fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-30T18:00:02Z",
    "title_canon_sha256": "810417dd7467de35233361688112a3673287143c77f2105b15db74f5b081e225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00006",
    "kind": "arxiv",
    "version": 2
  }
}