Pith Number

pith:C7YYYVT6

pith:2008:C7YYYVT6WZDXVMJNC3EGOAIIXV

not attested not anchored not stored refs pending

Color Bimodality in M87 Globular Clusters

Christopher Z. Waters, Edward A. Baltz, Stephen E. Zepf, Tod R. Lauer

arxiv:0811.0391 v1 · 2008-11-03 · 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{C7YYYVT6WZDXVMJNC3EGOAIIXV}

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	2026-05-18T04:29:25.478293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17f18c567eb6477ab12d16c8670108bd7531be5c52d88daebf64a1421a239557

Aliases

arxiv: 0811.0391 · arxiv_version: 0811.0391v1 · doi: 10.48550/arxiv.0811.0391 · pith_short_12: C7YYYVT6WZDX · pith_short_16: C7YYYVT6WZDXVMJN · pith_short_8: C7YYYVT6

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/C7YYYVT6WZDXVMJNC3EGOAIIXV \
  | 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: 17f18c567eb6477ab12d16c8670108bd7531be5c52d88daebf64a1421a239557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5321f12e6a245c6cf3d96520b9c7e1614cccf973025811ec15a280e1e9d1a0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-03T21:02:52Z",
    "title_canon_sha256": "1f4e04010280b2f8c2ff497bc30f9f6150c6dac492b59ce6f0890461be9b864c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0391",
    "kind": "arxiv",
    "version": 1
  }
}