Pith Number

pith:D5DHMZD2

pith:2010:D5DHMZD26C3KJ7NVYYSFFOABAW

not attested not anchored not stored refs pending

The galaxies that reionized the Universe

Cedric Lacey, Milan Rai\v{c}evi\'c, Tom Theuns

arxiv:1008.1785 v1 · 2010-08-10 · 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{D5DHMZD26C3KJ7NVYYSFFOABAW}

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	2026-05-18T02:05:49.663047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f4676647af0b6a4fdb5c62452b80105be0ef21571904420a0732fd06754b6da

Aliases

arxiv: 1008.1785 · arxiv_version: 1008.1785v1 · doi: 10.48550/arxiv.1008.1785 · pith_short_12: D5DHMZD26C3K · pith_short_16: D5DHMZD26C3KJ7NV · pith_short_8: D5DHMZD2

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/D5DHMZD26C3KJ7NVYYSFFOABAW \
  | 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: 1f4676647af0b6a4fdb5c62452b80105be0ef21571904420a0732fd06754b6da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3103478d0a77ac8261da939aaf0dcf66e0eee32a443b4d13d03bb9b0a7ab857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-10T20:00:03Z",
    "title_canon_sha256": "cf1d0982807ad6ab348daad2f40f80e714eda9f8f9ca8cc21c6add91cb6af0ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1785",
    "kind": "arxiv",
    "version": 1
  }
}