Pith Number

pith:3VU4Q4DB

pith:2016:3VU4Q4DB7FNQ2OPK47T5IGCXQL

not attested not anchored not stored refs pending

Binary Stars Can Provide the "Missing Photons" Needed for Reionization

(2) UC Berkeley, 3), (3) LBNL, (4) Northwestern, (5) UCSD, (6) CITA), Claude-Andre Faucher-Giguere (4), Daniel Kasen (2, Dusan Keres (5), Eliot Quataert (2), Norman Murray (6) ((1) Caltech, Philip F. Hopkins (1), Xiangcheng Ma (1)

arxiv:1601.07559 v2 · 2016-01-27 · astro-ph.GA · 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{3VU4Q4DB7FNQ2OPK47T5IGCXQL}

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	2026-05-18T01:16:14.510292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd69c87061f95b0d39eae7e7d4185782ca6e26ee06d41783464270876f780537

Aliases

arxiv: 1601.07559 · arxiv_version: 1601.07559v2 · doi: 10.48550/arxiv.1601.07559 · pith_short_12: 3VU4Q4DB7FNQ · pith_short_16: 3VU4Q4DB7FNQ2OPK · pith_short_8: 3VU4Q4DB

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/3VU4Q4DB7FNQ2OPK47T5IGCXQL \
  | 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: dd69c87061f95b0d39eae7e7d4185782ca6e26ee06d41783464270876f780537

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2680182db773c0d0b6ec7c5acc83130f4e2e0a0b7d6829f709b63c345719c73a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-27T21:00:11Z",
    "title_canon_sha256": "c751a5a58de017628c047b6f4fc4c03a2ab5233d29bf969656b1c10f2727f52f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07559",
    "kind": "arxiv",
    "version": 2
  }
}