Pith Number

pith:Y2ZDFNC5

pith:2011:Y2ZDFNC5LZQM7PVN5TCLQQDGJU

not attested not anchored not stored refs pending

What Sets the Sizes of the Faintest Galaxies?

(2) The Purple Mountain Observatory, Andrea V. Macci\`o (1), Crystal M. Brasseur (1), Hans-Walter Rix (1), Heidelberg, Nanjing), Nicolas F. Martin (1), Xi Kang (2) ((1) Max Planck Institute for Astronomy

arxiv:1106.5500 v3 · 2011-06-27 · 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{Y2ZDFNC5LZQM7PVN5TCLQQDGJU}

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	2026-05-18T02:01:30.186565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b232b45d5e60cfbeadecc4b840664d11a621c4d32b9bb6c6f509261844157a

Aliases

arxiv: 1106.5500 · arxiv_version: 1106.5500v3 · doi: 10.48550/arxiv.1106.5500 · pith_short_12: Y2ZDFNC5LZQM · pith_short_16: Y2ZDFNC5LZQM7PVN · pith_short_8: Y2ZDFNC5

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/Y2ZDFNC5LZQM7PVN5TCLQQDGJU \
  | 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: c6b232b45d5e60cfbeadecc4b840664d11a621c4d32b9bb6c6f509261844157a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1339128b940d0b3b34d549811c6b1753a52b3c3b92f1f7de997bbf5224f24bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-27T20:00:03Z",
    "title_canon_sha256": "2d5eb14b0804c350b5f8b3035b0cbd9e3c22b51b75f3e9b23bcf9636f17aad12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5500",
    "kind": "arxiv",
    "version": 3
  }
}