Pith Number

pith:C5DX2UVJ

pith:2004:C5DX2UVJZTHWP5ASIDRNMMSWFS

not attested not anchored not stored refs pending

Metallicity in the Galactic Center: The Arches cluster

D. John Hillier & Rolf P. Kudritzki, Donald F. Figer, Francisco Najarro

arxiv:astro-ph/0407188 v1 · 2004-07-09 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5DX2UVJZTHWP5ASIDRNMMSWFS}

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	2026-05-18T01:07:32.374272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17477d52a9cccf67f41240e2d632562ca16e962b85f43695bcc86f05246c053d

Aliases

arxiv: astro-ph/0407188 · arxiv_version: astro-ph/0407188v1 · doi: 10.48550/arxiv.astro-ph/0407188 · pith_short_12: C5DX2UVJZTHW · pith_short_16: C5DX2UVJZTHWP5AS · pith_short_8: C5DX2UVJ

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/C5DX2UVJZTHWP5ASIDRNMMSWFS \
  | 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: 17477d52a9cccf67f41240e2d632562ca16e962b85f43695bcc86f05246c053d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "121c4fd716958dcad0ba8cc346c374514b02a42d20f2c698f18e9165849da014",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-09T10:45:52Z",
    "title_canon_sha256": "273e9bef8d3d233bab38465f559a64213f9c96272c02fa2c9797afda8defa937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407188",
    "kind": "arxiv",
    "version": 1
  }
}