Pith Number

pith:C27PJRDC

pith:2025:C27PJRDCS3ADGOLWFDZ4TD5ZQX

not attested not anchored not stored refs pending

The Impact of Population III.1 Flash Reionization for CMB Polarization and Thomson Scattering Optical Depth

Eiichiro Komatsu, Jonathan C. Tan

arxiv:2510.19647 v2 · 2025-10-22 · 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{C27PJRDCS3ADGOLWFDZ4TD5ZQX}

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	2026-06-03T01:05:06.734392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16bef4c46296c033397628f3c98fb985f975fd00ab819bf9b23ed680109b22e6

Aliases

arxiv: 2510.19647 · arxiv_version: 2510.19647v2 · doi: 10.48550/arxiv.2510.19647 · pith_short_12: C27PJRDCS3AD · pith_short_16: C27PJRDCS3ADGOLW · pith_short_8: C27PJRDC

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/C27PJRDCS3ADGOLWFDZ4TD5ZQX \
  | 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: 16bef4c46296c033397628f3c98fb985f975fd00ab819bf9b23ed680109b22e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b27a78a84bda00c81a64b0a8c9298dc9e7603174946ac7f3d6e12a60b17de4c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-10-22T14:53:10Z",
    "title_canon_sha256": "b37d0bdad1c95a2fae9b8540b6fe6b3b6b0eb9f9881bf3f08fbef2d2e97d50eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.19647",
    "kind": "arxiv",
    "version": 2
  }
}