Pith Number

pith:E5XTXWCX

pith:2002:E5XTXWCX4OR2MUOXZ5HL5GLPSU

not attested not anchored not stored refs pending

Design of UHECR telescope with 1 arcmin resolution and 50 degree field of view

(2) Univ. of Tokyo), A. Kusaka (2), M. Sasaki (1), Y. Asaoka (2) ((1) ICRR

arxiv:astro-ph/0203348 v2 · 2002-03-20 · astro-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{E5XTXWCX4OR2MUOXZ5HL5GLPSU}

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	2026-05-18T04:17:53.859605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

276f3bd857e3a3a651d7cf4ebe996f951dbb315a5e80f234cd3baec4ae1f178a

Aliases

arxiv: astro-ph/0203348 · arxiv_version: astro-ph/0203348v2 · doi: 10.48550/arxiv.astro-ph/0203348 · pith_short_12: E5XTXWCX4OR2 · pith_short_16: E5XTXWCX4OR2MUOX · pith_short_8: E5XTXWCX

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/E5XTXWCX4OR2MUOXZ5HL5GLPSU \
  | 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: 276f3bd857e3a3a651d7cf4ebe996f951dbb315a5e80f234cd3baec4ae1f178a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c724ca1a3af4a9564d91577fe0e7bc13c0e5bae52baec241a81227c03cc748",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-20T18:01:42Z",
    "title_canon_sha256": "8e2232eb47a1d0747f63ad4dc3226f12ccc3743761dda7961af9eb6caf515b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203348",
    "kind": "arxiv",
    "version": 2
  }
}