Pith Number

pith:Z7UZEGDW

pith:2019:Z7UZEGDW47PKKMBJTQUFHVEL7E

not attested not anchored not stored refs pending

HERBS I: Metallicity and alpha enhancement along the Galactic bulge minor axis

D. M. Nataf (John Hopkins University), K. C. Freeman (Australian National University), L. Duong, L. M. Howes (Lund Observatory), M. Asplund (Australian National University), M. Ness (Columbia University)

arxiv:1903.09706 v1 · 2019-03-22 · 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{Z7UZEGDW47PKKMBJTQUFHVEL7E}

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	2026-05-17T23:47:16.666458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe9921876e7dea530299c2853d48bf9011ecffa41fd63992c84b2a14e78e6a3

Aliases

arxiv: 1903.09706 · arxiv_version: 1903.09706v1 · doi: 10.48550/arxiv.1903.09706 · pith_short_12: Z7UZEGDW47PK · pith_short_16: Z7UZEGDW47PKKMBJ · pith_short_8: Z7UZEGDW

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/Z7UZEGDW47PKKMBJTQUFHVEL7E \
  | 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: cfe9921876e7dea530299c2853d48bf9011ecffa41fd63992c84b2a14e78e6a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9198af120d0951dfa3b9f94daa40e99df271207994ee67f0f44d6fc37f5981b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-22T20:46:51Z",
    "title_canon_sha256": "a771fbc38c2365ad9cf1a0d4cfd3137a6799c78fba1cc3f7224df7adad289bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09706",
    "kind": "arxiv",
    "version": 1
  }
}