Pith Number

pith:YVVYWXLI

pith:2017:YVVYWXLIWOA6YAEHOWANTHK4GX

not attested not anchored not stored refs pending

Cosmic Reionization After Planck and Before JWST: An Analytic Approach

Piero Madau

arxiv:1710.07636 v1 · 2017-10-20 · 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{YVVYWXLIWOA6YAEHOWANTHK4GX}

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	2026-05-18T00:28:13.264738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56b8b5d68b381ec00877580d99d5c35d27c066c16d3b78f88f82509cd228164

Aliases

arxiv: 1710.07636 · arxiv_version: 1710.07636v1 · doi: 10.48550/arxiv.1710.07636 · pith_short_12: YVVYWXLIWOA6 · pith_short_16: YVVYWXLIWOA6YAEH · pith_short_8: YVVYWXLI

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/YVVYWXLIWOA6YAEHOWANTHK4GX \
  | 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: c56b8b5d68b381ec00877580d99d5c35d27c066c16d3b78f88f82509cd228164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abba6310b8cd9a02154e69cd48e8b5caf58991bf629d6ed0bc5fb6f66e1ba20e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-20T18:00:00Z",
    "title_canon_sha256": "e4c20ba3fc21946c5b15e31a4f661f2a9d3f42addb43065f25f04a95e9f0fcf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07636",
    "kind": "arxiv",
    "version": 1
  }
}