Pith Number

pith:QL5JAV5F

pith:2008:QL5JAV5FIKATJH3ZWYXUV4ES4X

not attested not anchored not stored refs pending

Washington CCD Photometry of the Globular Cluster System of the Giant Elliptical Galaxy M60 in Virgo

2), (2)Korea Institute for Advanced Study, (3)Korea Astronomy, (4)Univ. de Concepci), Doug Geisler (4)((1) Seoul National Univ., Eunhyeuk Kim (1), Hong Soo Park (1), Ho Seong Hwang (1, Myung Gyoon Lee (1), Sang Chul Kim (3), Space Science Institute

arxiv:0802.1621 v1 · 2008-02-12 · 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{QL5JAV5FIKATJH3ZWYXUV4ES4X}

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	2026-05-18T04:36:41.450672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82fa9057a54281349f79b62f4af092e5d1b052c42431b121236c10213c21285d

Aliases

arxiv: 0802.1621 · arxiv_version: 0802.1621v1 · doi: 10.48550/arxiv.0802.1621 · pith_short_12: QL5JAV5FIKAT · pith_short_16: QL5JAV5FIKATJH3Z · pith_short_8: QL5JAV5F

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/QL5JAV5FIKATJH3ZWYXUV4ES4X \
  | 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: 82fa9057a54281349f79b62f4af092e5d1b052c42431b121236c10213c21285d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9ba599f5cbfbb4efaec28d447f0765672c776caaa347278b665ea1cdf7955d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-12T11:52:23Z",
    "title_canon_sha256": "2c3ac8242ece4a3fba583a8db844dbb9dc5d81c686ad094fe63089bf945c8d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1621",
    "kind": "arxiv",
    "version": 1
  }
}