Pith Number

pith:2C53NRN7

pith:2009:2C53NRN7OUI3OG6NCC2LJLNQPG

not attested not anchored not stored refs pending

Gemini Spectroscopic Survey of Young Star Clusters in Merging/Interacting Galaxies. III. The Antennae

(2) Gemini South, 3), (3) UCL), Bryan W. Miller (2)((1) IoA, Cambridge, Gelys Trancho (2), Iraklis S. Konstantopoulos (2, Nate Bastian (1)

arxiv:0906.2210 v1 · 2009-06-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2C53NRN7OUI3OG6NCC2LJLNQPG}

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	2026-05-18T04:29:42.751894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0bbb6c5bf7511b71bcd10b4b4adb079828ab45985ea8837497abc9a68f10247

Aliases

arxiv: 0906.2210 · arxiv_version: 0906.2210v1 · doi: 10.48550/arxiv.0906.2210 · pith_short_12: 2C53NRN7OUI3 · pith_short_16: 2C53NRN7OUI3OG6N · pith_short_8: 2C53NRN7

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/2C53NRN7OUI3OG6NCC2LJLNQPG \
  | 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: d0bbb6c5bf7511b71bcd10b4b4adb079828ab45985ea8837497abc9a68f10247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f8d07d313c408e0ef3dd5e09e1af4f123c9652f60b97a85f61bc137a6edc1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-11T20:54:11Z",
    "title_canon_sha256": "20542e65bf591344b12b12ae6f1d8347f2b506624c2db1b7f5c8931ac7448fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2210",
    "kind": "arxiv",
    "version": 1
  }
}