Pith Number

pith:BTSCHJ4I

pith:2025:BTSCHJ4IACVWSQVHM4VNY5PBS4

not attested not anchored not stored refs pending

The Universe is Odd

Nan Li, Shiyin Shen

arxiv:2503.22839 v1 · 2025-03-28 · physics.pop-ph · astro-ph.CO · 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{BTSCHJ4IACVWSQVHM4VNY5PBS4}

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	2026-07-05T10:41:26.464261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce423a78800ab6942a7672adc75e1973574cf71d55bc560092303a5be5a9d98

Aliases

arxiv: 2503.22839 · arxiv_version: 2503.22839v1 · doi: 10.48550/arxiv.2503.22839 · pith_short_12: BTSCHJ4IACVW · pith_short_16: BTSCHJ4IACVWSQVH · pith_short_8: BTSCHJ4I

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/BTSCHJ4IACVWSQVHM4VNY5PBS4 \
  | 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: 0ce423a78800ab6942a7672adc75e1973574cf71d55bc560092303a5be5a9d98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a27419d21b23bc572dcd24e04f2e25a0785b3fb26cbc7d84a2e57bbe971592",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2025-03-28T19:21:05Z",
    "title_canon_sha256": "1271326e16ad985462e8d6f8340506ccb66793b27e9fe1cb2010be627881f77b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22839",
    "kind": "arxiv",
    "version": 1
  }
}