Pith Number

pith:NE32SMCJ

pith:2016:NE32SMCJT5X7FQ6GJRQOYMD2OB

not attested not anchored not stored refs pending

Cosmic reionization after Planck II: contribution from quasars

Andrea Ferrara, Sourav Mitra, T. Roy Choudhury

arxiv:1606.02719 v3 · 2016-06-08 · 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{NE32SMCJT5X7FQ6GJRQOYMD2OB}

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	2026-05-18T00:29:33.606834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6937a930499f6ff2c3c64c60ec307a707e1c7312a12bbd9ae8cbe6f98aa07360

Aliases

arxiv: 1606.02719 · arxiv_version: 1606.02719v3 · doi: 10.48550/arxiv.1606.02719 · pith_short_12: NE32SMCJT5X7 · pith_short_16: NE32SMCJT5X7FQ6G · pith_short_8: NE32SMCJ

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/NE32SMCJT5X7FQ6GJRQOYMD2OB \
  | 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: 6937a930499f6ff2c3c64c60ec307a707e1c7312a12bbd9ae8cbe6f98aa07360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbcc52b1527ae8bdb6976c96335fd8315b78e17ddae36458a4adac43b24fd2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-06-08T20:00:02Z",
    "title_canon_sha256": "c4efb7e04b1941c0bc1a9753ffe441963187f0afd8d04bacc3a3b56d1c010511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02719",
    "kind": "arxiv",
    "version": 3
  }
}