Pith Number

pith:4VNFMUH4

pith:2016:4VNFMUH45DZCGVV4NGE2WH7EJL

not attested not anchored not stored refs pending

Constraining the Contribution of Galaxies and Active Galactic Nuclei to Cosmic Reionization

Hayato Shimabukuro, Hiroyuki Tashiro, Keitaro Takahashi, Kenji Hasegawa, Kiyotomo Ichiki, Shintaro Yoshiura

arxiv:1602.04407 v3 · 2016-02-14 · astro-ph.CO · 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{4VNFMUH45DZCGVV4NGE2WH7EJL}

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	2026-05-18T00:36:33.449576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55a5650fce8f22356bc6989ab1fe44ac766c5c151548d74780d13fb0d116b57

Aliases

arxiv: 1602.04407 · arxiv_version: 1602.04407v3 · doi: 10.48550/arxiv.1602.04407 · pith_short_12: 4VNFMUH45DZC · pith_short_16: 4VNFMUH45DZCGVV4 · pith_short_8: 4VNFMUH4

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/4VNFMUH45DZCGVV4NGE2WH7EJL \
  | 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: e55a5650fce8f22356bc6989ab1fe44ac766c5c151548d74780d13fb0d116b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897ed139f5a6eb3a35bcbc31956f530c15f2289ee932ea9cca4e2f3d3e4bba16",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-02-14T01:33:41Z",
    "title_canon_sha256": "7ed6354d31f3dd6cf7f756757ca6b2b72569b23751ea16e02adf75d9b4785c05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04407",
    "kind": "arxiv",
    "version": 3
  }
}