Pith Number

pith:TDGH4MML

pith:2019:TDGH4MMLSHA4BHRYX6Y2BLDYYY

not attested not anchored not stored refs pending

Simulating the effect of photoheating feedback during reionization

Federico Marinacci (U Bologna), Lars Hernquist (Harvard CfA), Mark Vogelsberger (MIT), Rahul Kannan (Harvard CfA), Xiaohan Wu (Harvard CfA)

arxiv:1903.06167 v3 · 2019-03-14 · 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{TDGH4MMLSHA4BHRYX6Y2BLDYYY}

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	2026-05-17T23:42:42.050984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98cc7e318b91c1c09e38bfb1a0ac78c605a89eac8182802f6dce4411d782fb78

Aliases

arxiv: 1903.06167 · arxiv_version: 1903.06167v3 · doi: 10.48550/arxiv.1903.06167 · pith_short_12: TDGH4MMLSHA4 · pith_short_16: TDGH4MMLSHA4BHRY · pith_short_8: TDGH4MML

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/TDGH4MMLSHA4BHRYX6Y2BLDYYY \
  | 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: 98cc7e318b91c1c09e38bfb1a0ac78c605a89eac8182802f6dce4411d782fb78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6b7e56ff116f07fd5a4adf6179c178237bf1336246a5dbd41c3c90cea5d94c3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-14T18:00:00Z",
    "title_canon_sha256": "47580868469301a3e485eaad33c7dbfa43ad74c6aaed785c27be8c2b56ff9d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06167",
    "kind": "arxiv",
    "version": 3
  }
}