Pith Number

pith:4RJ4KLYB

pith:2024:4RJ4KLYB2YAHGJMP66F4C4ICC2

not attested not anchored not stored refs pending

Lighting Dark Ages with Tomographic ISW Effect

Deng Wang, Olga Mena

arxiv:2402.18248 v1 · 2024-02-28 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RJ4KLYB2YAHGJMP66F4C4ICC2}

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	2026-07-05T07:50:14.240216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e453c52f01d60073258ff78bc1710216b78ab90708f203d5b004ec97fb41c418

Aliases

arxiv: 2402.18248 · arxiv_version: 2402.18248v1 · doi: 10.48550/arxiv.2402.18248 · pith_short_12: 4RJ4KLYB2YAH · pith_short_16: 4RJ4KLYB2YAHGJMP · pith_short_8: 4RJ4KLYB

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/4RJ4KLYB2YAHGJMP66F4C4ICC2 \
  | 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: e453c52f01d60073258ff78bc1710216b78ab90708f203d5b004ec97fb41c418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1033b2fd5d94b8c96536973bee8b436efa70628a8bfb11f71f1be3d841f66361",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-02-28T11:21:50Z",
    "title_canon_sha256": "eb00672896df0d1af55b72abbf9cb5856357b7c38cadf11fd22e2be682684ec1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.18248",
    "kind": "arxiv",
    "version": 1
  }
}