Pith Number

pith:NPRUU42C

pith:2025:NPRUU42CEE5NVUT5W3WH4P7SQJ

not attested not anchored not stored refs pending

Positron Signal from the Early Universe

J. Silk, L. Stodolsky

arxiv:2506.10131 v1 · 2025-06-11 · 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{NPRUU42CEE5NVUT5W3WH4P7SQJ}

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	2026-07-05T11:20:17.054276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be34a7342213adad27db6ec7e3ff282660cd7abbacb3a2f9dd9a0274b4c0d01

Aliases

arxiv: 2506.10131 · arxiv_version: 2506.10131v1 · doi: 10.48550/arxiv.2506.10131 · pith_short_12: NPRUU42CEE5N · pith_short_16: NPRUU42CEE5NVUT5 · pith_short_8: NPRUU42C

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/NPRUU42CEE5NVUT5W3WH4P7SQJ \
  | 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: 6be34a7342213adad27db6ec7e3ff282660cd7abbacb3a2f9dd9a0274b4c0d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76ed911ef38f3e55b4c052cd372bce578213dfb4efd74b98158bbcc160e66b5f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-06-11T19:18:43Z",
    "title_canon_sha256": "313fb6226e81d3d29d0da496ed07ed4a33f728660123a19c2638a258cad920b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.10131",
    "kind": "arxiv",
    "version": 1
  }
}