Pith Number

pith:QWQL7VKH

pith:2010:QWQL7VKHAVVCW252QFZAU62PYE

not attested not anchored not stored refs pending

Where are the Fossils of the First Galaxies? II. True Fossils, Ghost Halos, and the Missing Bright Satellites

Massimo Ricotti (University of Maryland), Mia S. Bovill

arxiv:1010.2233 v2 · 2010-10-11 · 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{QWQL7VKHAVVCW252QFZAU62PYE}

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	2026-05-18T02:05:06.378771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85a0bfd547056a2b6bba81720a7b4fc12d570bc0b2c852e66108c4d539bb81b0

Aliases

arxiv: 1010.2233 · arxiv_version: 1010.2233v2 · doi: 10.48550/arxiv.1010.2233 · pith_short_12: QWQL7VKHAVVC · pith_short_16: QWQL7VKHAVVCW252 · pith_short_8: QWQL7VKH

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/QWQL7VKHAVVCW252QFZAU62PYE \
  | 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: 85a0bfd547056a2b6bba81720a7b4fc12d570bc0b2c852e66108c4d539bb81b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c203f1f4bbb71c7ec32977b885914b5b36cd057e60aac5cd3c4e580356a0e56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-11T20:52:39Z",
    "title_canon_sha256": "1ccebc64c4a93e09284be58be82afa560fcfe90c4b09bd29fa34b0bf2a2fd193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2233",
    "kind": "arxiv",
    "version": 2
  }
}