Pith Number

pith:3XK4L64Y

pith:2026:3XK4L64Y6D4XIH2HTA4WTYUBW4

not attested not anchored not stored refs pending

Age and metallicity of the Milky Way's nuclear star cluster studied at 3 pc from Sagittarius A*

A. Feldmeier-Krause, \'A. Mart\'inez-Arranz, E. Gallego-Cano, F. Nogueras-Lara, K. Muzic, M. W. Hosek Jr., R. Sch\"odel, T. K. Fritz

arxiv:2602.23904 v2 · 2026-02-27 · 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{3XK4L64Y6D4XIH2HTA4WTYUBW4}

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	2026-07-10T00:18:43.997484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd5c5fb98f0f9741f47983969e281b72dd5ffef1fdfea3b11f4af29d811cf20

Aliases

arxiv: 2602.23904 · arxiv_version: 2602.23904v2 · doi: 10.48550/arxiv.2602.23904 · pith_short_12: 3XK4L64Y6D4X · pith_short_16: 3XK4L64Y6D4XIH2H · pith_short_8: 3XK4L64Y

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/3XK4L64Y6D4XIH2HTA4WTYUBW4 \
  | 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: ddd5c5fb98f0f9741f47983969e281b72dd5ffef1fdfea3b11f4af29d811cf20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f4ab941ccee20abf7dc6dfbdbaaacb09bbecc8e0b1ebc5492c37588266259f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-02-27T10:53:24Z",
    "title_canon_sha256": "e04f7de2ba5cfe14a166c8b397130d3b6bae673489bafa5d2023045a6d0253e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.23904",
    "kind": "arxiv",
    "version": 2
  }
}