Pith Number

pith:HNVF2EXY

pith:2023:HNVF2EXYQ67AT7BMH2BOKVMME4

not attested not anchored not stored refs pending

Spectroscopic age estimates for APOGEE red-giant stars: Precise spatial and kinematic trends with age in the Galactic disc

A. B. A. Queiroz, A. Khalatyan, A. Miglio, B. Ratcliffe, C. Chiappini, F. Anders, G. Casali, H. Perottoni, I. Minchev, J. A. S. Amarante, L. Casamiquela, M. Schultheis, P. Gispert, S. Nepal, T. Antoja

arxiv:2304.08276 v3 · 2023-04-17 · 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{HNVF2EXYQ67AT7BMH2BOKVMME4}

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	2026-07-05T07:01:40.735302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6a5d12f887be09fc2c3e82e5558c272c0b6f4131f0d49461b704eab0db03b1

Aliases

arxiv: 2304.08276 · arxiv_version: 2304.08276v3 · doi: 10.48550/arxiv.2304.08276 · pith_short_12: HNVF2EXYQ67A · pith_short_16: HNVF2EXYQ67AT7BM · pith_short_8: HNVF2EXY

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/HNVF2EXYQ67AT7BMH2BOKVMME4 \
  | 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: 3b6a5d12f887be09fc2c3e82e5558c272c0b6f4131f0d49461b704eab0db03b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34429817acd8a962cf13fc94be0c785cacd6fabe64cb6b85c2fb8df80624f5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-17T13:44:55Z",
    "title_canon_sha256": "6538f1afbc6f2e86ad967f8ca7e99d1274e0049fd255b15ab0d1efc76ab953e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.08276",
    "kind": "arxiv",
    "version": 3
  }
}