Pith Number

pith:KPI5FDLR

pith:2018:KPI5FDLRFCTNWOAIGHN7DWISDS

not attested not anchored not stored refs pending

The Indirect Influence of Quasars on Reionization

Anne Hutter, Darren Croton, Jacob Seiler, Manodeep Sinha

arxiv:1806.11284 v1 · 2018-06-29 · 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{KPI5FDLRFCTNWOAIGHN7DWISDS}

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	2026-05-18T00:10:36.900386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37

Aliases

arxiv: 1806.11284 · arxiv_version: 1806.11284v1 · doi: 10.48550/arxiv.1806.11284 · pith_short_12: KPI5FDLRFCTN · pith_short_16: KPI5FDLRFCTNWOAI · pith_short_8: KPI5FDLR

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/KPI5FDLRFCTNWOAIGHN7DWISDS \
  | 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: 53d1d28d7128a6db380831dbf1d9121ca7eb722f7ed719134d7535461b44ee37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688796733bf4e73407ceaf07510b9b80d5512aba3580bf4030c310481ac3268c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-29T07:31:37Z",
    "title_canon_sha256": "b80c4ad49127653045013fb7b521d83353c14adb51eee71ac49973d686c18637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11284",
    "kind": "arxiv",
    "version": 1
  }
}