Pith Number

pith:5NQ3CQZM

pith:2025:5NQ3CQZMUHNYZMDWAL3RBDQIEG

not attested not anchored not stored refs pending

The SN 1987A Cooling Bound on Dark Matter Absorption in Electron Targets

Claudio Andrea Manzari, Jonas Spinner, Jorge Martin Camalich, Robert Ziegler

arxiv:2508.00725 v1 · 2025-08-01 · hep-ph · astro-ph.HE · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NQ3CQZMUHNYZMDWAL3RBDQIEG}

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	2026-07-05T11:47:02.306266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb61b1432ca1db8cb07602f7108e0821a153d1fcf2fd6ace5fe444a01dc80085

Aliases

arxiv: 2508.00725 · arxiv_version: 2508.00725v1 · doi: 10.48550/arxiv.2508.00725 · pith_short_12: 5NQ3CQZMUHNY · pith_short_16: 5NQ3CQZMUHNYZMDW · pith_short_8: 5NQ3CQZM

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/5NQ3CQZMUHNYZMDWAL3RBDQIEG \
  | 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: eb61b1432ca1db8cb07602f7108e0821a153d1fcf2fd6ace5fe444a01dc80085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35296f4516e53e36dd3935620ed9b52e4f46a30e130c33e65fdd69612dc164ff",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ex"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-08-01T15:48:31Z",
    "title_canon_sha256": "7c66d9206402f810222adf2e87519b0a33c771ef548f5c190d98c592658782aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00725",
    "kind": "arxiv",
    "version": 1
  }
}