Pith Number

pith:VVCLTBHS

pith:2012:VVCLTBHSNKJDQ6HZBV6HG3DW6E

not attested not anchored not stored refs pending

The escape fraction of ionizing photons from high redshift galaxies from data-constrained reionization models

Andrea Ferrara, Sourav Mitra, T. Roy Choudhury

arxiv:1207.3803 v2 · 2012-07-16 · 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{VVCLTBHSNKJDQ6HZBV6HG3DW6E}

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	2026-05-18T01:56:17.781112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad44b984f26a923878f90d7c736c76f104a21ed3b5f69b8dc213913001d7e05d

Aliases

arxiv: 1207.3803 · arxiv_version: 1207.3803v2 · doi: 10.48550/arxiv.1207.3803 · pith_short_12: VVCLTBHSNKJD · pith_short_16: VVCLTBHSNKJDQ6HZ · pith_short_8: VVCLTBHS

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/VVCLTBHSNKJDQ6HZBV6HG3DW6E \
  | 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: ad44b984f26a923878f90d7c736c76f104a21ed3b5f69b8dc213913001d7e05d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f95a00bae82f45fd12a201c9b15c0e01fe8af0075dfef0aa8beef352c5a97759",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-16T20:00:04Z",
    "title_canon_sha256": "96ff5175ffe313630ba0856acd5fed5f6cb29109d5a45871590e46b6212f3f28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3803",
    "kind": "arxiv",
    "version": 2
  }
}