Pith Number

pith:EF3P63J6

pith:2011:EF3P63J6JDFCNBNA7MVVSAWUUY

not attested not anchored not stored refs pending

The Relationships Among Compact Stellar Systems: A Fresh View of Ultra Compact Dwarfs

Aaron J. Romanowsky, Duncan A. Forbes, Jay Strader, Jean P. Brodie

arxiv:1109.5696 v1 · 2011-09-26 · astro-ph.CO · 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{EF3P63J6JDFCNBNA7MVVSAWUUY}

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	2026-05-18T02:00:23.223438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2176ff6d3e48ca2685a0fb2b5902d4a637f03f00e41a5c3a097fcb22238f5481

Aliases

arxiv: 1109.5696 · arxiv_version: 1109.5696v1 · doi: 10.48550/arxiv.1109.5696 · pith_short_12: EF3P63J6JDFC · pith_short_16: EF3P63J6JDFCNBNA · pith_short_8: EF3P63J6

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/EF3P63J6JDFCNBNA7MVVSAWUUY \
  | 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: 2176ff6d3e48ca2685a0fb2b5902d4a637f03f00e41a5c3a097fcb22238f5481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18f8a864b66c6b5d180e06224a75756d3dd8141fc8c219e6674b6cb0211d98d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-26T20:00:01Z",
    "title_canon_sha256": "4e3006425986a8bce9e18f1cafaf77a91743720b35214f548369e30b593c9a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5696",
    "kind": "arxiv",
    "version": 1
  }
}