Pith Number

pith:UF2IG4RO

pith:2011:UF2IG4ROYC6SNHUBGIPJ3UO7VY

not attested not anchored not stored refs pending

Photodissociation of H2 in Protogalaxies: Modeling Self-Shielding in 3D Simulations

Columbia University), Columbia University) Greg L. Bryan (Department of Astronomy, Jemma Wolcott-Green (Columbia Astrophysics Laboratory) Zolt\'an Haiman (Department of Astronomy

arxiv:1106.3523 v1 · 2011-06-17 · 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{UF2IG4ROYC6SNHUBGIPJ3UO7VY}

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.

Cited by

1 paper in Pith

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-05-18T02:01:35.601842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17483722ec0bd269e81321e9dd1dfae34d2033d9d771c7b586599bbf076a1c3

Aliases

arxiv: 1106.3523 · arxiv_version: 1106.3523v1 · doi: 10.48550/arxiv.1106.3523 · pith_short_12: UF2IG4ROYC6S · pith_short_16: UF2IG4ROYC6SNHUB · pith_short_8: UF2IG4RO

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/UF2IG4ROYC6SNHUBGIPJ3UO7VY \
  | 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: a17483722ec0bd269e81321e9dd1dfae34d2033d9d771c7b586599bbf076a1c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5828a5c0d35cc01cc4ad72a93aaa4268cfcc4b80cc2945e06e6815b3cbeaec76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-17T16:13:38Z",
    "title_canon_sha256": "e61b413cddf2f9fc96c205c6774bc6dfaa5596c6a5eee2655ee298aa30234266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3523",
    "kind": "arxiv",
    "version": 1
  }
}