Pith Number

pith:Q2CRGTSR

pith:2010:Q2CRGTSRNB5HXUPLOCH44EKOYL

not attested not anchored not stored refs pending

Two types of Lyman-alpha emitters envisaged from hierarchical galaxy formation

Ikkoh Shimizu, Masayuki Umemura

arxiv:1004.0781 v1 · 2010-04-06 · 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{Q2CRGTSRNB5HXUPLOCH44EKOYL}

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	2026-05-18T02:08:14.216368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8685134e51687a7bd1eb708fce114ec2ca320bdfbd3e0fc2821b5c2655fb54b4

Aliases

arxiv: 1004.0781 · arxiv_version: 1004.0781v1 · doi: 10.48550/arxiv.1004.0781 · pith_short_12: Q2CRGTSRNB5H · pith_short_16: Q2CRGTSRNB5HXUPL · pith_short_8: Q2CRGTSR

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/Q2CRGTSRNB5HXUPLOCH44EKOYL \
  | 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: 8685134e51687a7bd1eb708fce114ec2ca320bdfbd3e0fc2821b5c2655fb54b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abbfe9a4a99960014e3c4aef1cc1d9f2985d81fb070d0edec081640410bdd382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-06T06:20:53Z",
    "title_canon_sha256": "5dd3890ef11380fb23c027efa597834155b26efc0faf9f2d3dad9b39b317a5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0781",
    "kind": "arxiv",
    "version": 1
  }
}