Pith Number

pith:F2SRI5RZ

pith:2015:F2SRI5RZCRIHKUTD2FGE2INSEV

not attested not anchored not stored refs pending

The Difficulty of Getting High Escape Fractions of Ionizing Photons from High-redshift Galaxies: a View from the FIRE Cosmological Simulations

(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:1503.07880 v2 · 2015-03-26 · 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{F2SRI5RZCRIHKUTD2FGE2INSEV}

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	2026-05-18T01:33:43.693736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea51476391450755263d14c4d21b2255930ba3f54247c4d170e796d569d2678

Aliases

arxiv: 1503.07880 · arxiv_version: 1503.07880v2 · doi: 10.48550/arxiv.1503.07880 · pith_short_12: F2SRI5RZCRIH · pith_short_16: F2SRI5RZCRIHKUTD · pith_short_8: F2SRI5RZ

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/F2SRI5RZCRIHKUTD2FGE2INSEV \
  | 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: 2ea51476391450755263d14c4d21b2255930ba3f54247c4d170e796d569d2678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663cc4339f18de65513145d0b76a1d6d46f308886d9a5770c613339453b26d64",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-26T20:01:14Z",
    "title_canon_sha256": "79a0d48491c08a08d6569a328b6456f85f8c1f2c5d28d3654864f4e45ece06eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07880",
    "kind": "arxiv",
    "version": 2
  }
}