Pith Number

pith:P76Q5LPD

pith:2004:P76Q5LPDSSMPMHGSU7J7A6HMR3

not attested not anchored not stored refs pending

Ultra-High Energy Cosmic Ray Nuclei from Individual Magnetized Sources

APC, Guenter Sigl (GReCO, IAP, Paris)

arxiv:astro-ph/0405549 v2 · 2004-05-27 · 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{P76Q5LPDSSMPMHGSU7J7A6HMR3}

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	2026-07-04T16:43:51.486678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ffd0eade39498f61cd2a7d3f078ec8edc95a81fb8a61b3b1099a9e346ff944f

Aliases

arxiv: astro-ph/0405549 · arxiv_version: astro-ph/0405549v2 · doi: 10.48550/arxiv.astro-ph/0405549 · pith_short_12: P76Q5LPDSSMP · pith_short_16: P76Q5LPDSSMPMHGS · pith_short_8: P76Q5LPD

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/P76Q5LPDSSMPMHGSU7J7A6HMR3 \
  | 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: 7ffd0eade39498f61cd2a7d3f078ec8edc95a81fb8a61b3b1099a9e346ff944f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aa0aa5fd11ec132f9fc8d90db9fb50e4490e5a7a4ed8b2c0faa3fa4a8732488",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-27T19:35:31Z",
    "title_canon_sha256": "5fa23caff77f82c4605949376bab81eacecc791ebb3ad9ceab64476fcf363491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405549",
    "kind": "arxiv",
    "version": 2
  }
}