Pith Number

pith:4EGH7WGE

pith:2004:4EGH7WGEERNXWN6S533CWY6R4X

not attested not anchored not stored refs pending

Have Atmospheric Cerenkov Telescopes Observed Dark Matter?

Dan Hooper, Francesc Ferrer, Ignacio de la Calle Perez, Joseph Silk, Subir Sarkar

arxiv:astro-ph/0404205 v2 · 2004-04-09 · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EGH7WGEERNXWN6S533CWY6R4X}

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	2026-05-18T04:28:38.239082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e10c7fd8c4245b7b37d2eef62b63d1e5ed40c7fbc14363e44c93a0ed8383d47a

Aliases

arxiv: astro-ph/0404205 · arxiv_version: astro-ph/0404205v2 · doi: 10.48550/arxiv.astro-ph/0404205 · pith_short_12: 4EGH7WGEERNX · pith_short_16: 4EGH7WGEERNXWN6S · pith_short_8: 4EGH7WGE

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/4EGH7WGEERNXWN6S533CWY6R4X \
  | 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: e10c7fd8c4245b7b37d2eef62b63d1e5ed40c7fbc14363e44c93a0ed8383d47a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c273a72d4c04caeda503eba7282c26e30a5e68d6d3bc8e4e9ae6cf276c0c81dc",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-09T14:29:25Z",
    "title_canon_sha256": "86bed2d7c442bf884cdb41286af432c38d4e4f29c4b77129586cbbc618d87c5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404205",
    "kind": "arxiv",
    "version": 2
  }
}