Pith Number

pith:3SZLXAKB

pith:2005:3SZLXAKBQWALTCPFSV3RHUOIRM

not attested not anchored not stored refs pending

Foreground and Source of a Cluster of Ultra-high Energy Cosmic Rays

Andreas A. Berlind, David W. Hogg (New York University), Glennys R. Farrar

arxiv:astro-ph/0507657 v1 · 2005-07-28 · 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{3SZLXAKBQWALTCPFSV3RHUOIRM}

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	2026-07-04T17:14:56.677870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb2bb81418580b989e5957713d1c88b3926036f8e48db8db25ad4d5b54d507e

Aliases

arxiv: astro-ph/0507657 · arxiv_version: astro-ph/0507657v1 · doi: 10.48550/arxiv.astro-ph/0507657 · pith_short_12: 3SZLXAKBQWAL · pith_short_16: 3SZLXAKBQWALTCPF · pith_short_8: 3SZLXAKB

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/3SZLXAKBQWALTCPFSV3RHUOIRM \
  | 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: dcb2bb81418580b989e5957713d1c88b3926036f8e48db8db25ad4d5b54d507e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec29ca55c5722d6ad39e8e81d9c8b85532bb3ded9948f1eb435cf58e25b1b874",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-28T02:37:05Z",
    "title_canon_sha256": "d9e574f02db1b57d8c0cbe160107f5d6ed19b476b11596d0c5e199b3f457d9ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507657",
    "kind": "arxiv",
    "version": 1
  }
}