Pith Number

pith:42CTYHDN

pith:2015:42CTYHDNSM37VQXMH435HFJEKL

not attested not anchored not stored refs pending

The Lyman-Continuum Photon Production Efficiency xi_{ion} of z~4-5 Galaxies from IRAC-based Halpha Measurements: Implications for the Escape Fraction and Cosmic Reionization

I. Labbe, J. Caruana, M. Franx, M. Stefanon, N. Rasappu, P. Oesch, R.J. Bouwens, R. Smit

arxiv:1511.08504 v3 · 2015-11-26 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42CTYHDNSM37VQXMH435HFJEKL}

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	2026-05-18T00:59:26.294460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6853c1c6d9337fac2ec3f37d3952452f23520b899eed1bbef082deddb3b51aa

Aliases

arxiv: 1511.08504 · arxiv_version: 1511.08504v3 · doi: 10.48550/arxiv.1511.08504 · pith_short_12: 42CTYHDNSM37 · pith_short_16: 42CTYHDNSM37VQXM · pith_short_8: 42CTYHDN

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/42CTYHDNSM37VQXMH435HFJEKL \
  | 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: e6853c1c6d9337fac2ec3f37d3952452f23520b899eed1bbef082deddb3b51aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf95a69a53980d6f7bd61adc76c44eaa0fef01f9873785a0c355caa1108c7aa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-26T21:04:13Z",
    "title_canon_sha256": "1cdea7edb3cbb39e571a4b9a12e403de1dd7f3165f81e21db5ea17c4573c0d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08504",
    "kind": "arxiv",
    "version": 3
  }
}