Pith Number

pith:UWSEEIYP

pith:2005:UWSEEIYP7QNBEHJIAHPFJ5RTHW

not attested not anchored not stored refs pending

Magnetized Sources of Ultra-high Energy Nuclei and Extragalactic Origin of the Ankle

Eric Armengaud (APC, GReCO, Guenter Sigl, Paris)

arxiv:astro-ph/0507656 v1 · 2005-07-28 · 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{UWSEEIYP7QNBEHJIAHPFJ5RTHW}

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	2026-05-18T01:07:30.939197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a442230ffc1a121d2801de54f6333da2edc21485b192002a5675012e984be7

Aliases

arxiv: astro-ph/0507656 · arxiv_version: astro-ph/0507656v1 · doi: 10.48550/arxiv.astro-ph/0507656 · pith_short_12: UWSEEIYP7QNB · pith_short_16: UWSEEIYP7QNBEHJI · pith_short_8: UWSEEIYP

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/UWSEEIYP7QNBEHJIAHPFJ5RTHW \
  | 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: a5a442230ffc1a121d2801de54f6333da2edc21485b192002a5675012e984be7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3c849e5076469655294d4745c570e3370f28f2fead23385811b7cd0d3eb00e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-28T16:56:24Z",
    "title_canon_sha256": "d5ca12ce1a4e6d204d98993c07da00d9c6c97ef00919ee651d63cd50f6b2a27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507656",
    "kind": "arxiv",
    "version": 1
  }
}