Pith Number

pith:65NFYDSI

pith:2005:65NFYDSIP2VNP2USF5YQDINF4M

not attested not anchored not stored refs pending

On the shape of the UHE cosmic ray spectrum

Daniel De Marco, Todor Stanev (Bartol Research Inst.)

arxiv:astro-ph/0506318 v2 · 2005-06-14 · 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{65NFYDSIP2VNP2USF5YQDINF4M}

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	2026-05-18T04:22:20.644044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f75a5c0e487eaad7ea922f7101a1a5e33c7f72b2d9e2bdb49fd8e998489360e4

Aliases

arxiv: astro-ph/0506318 · arxiv_version: astro-ph/0506318v2 · doi: 10.48550/arxiv.astro-ph/0506318 · pith_short_12: 65NFYDSIP2VN · pith_short_16: 65NFYDSIP2VNP2US · pith_short_8: 65NFYDSI

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/65NFYDSIP2VNP2USF5YQDINF4M \
  | 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: f75a5c0e487eaad7ea922f7101a1a5e33c7f72b2d9e2bdb49fd8e998489360e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e62b46f66eeac538fd1e2731e389fb679d88af61b6bad0ca6a1d98c189885102",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-14T19:40:20Z",
    "title_canon_sha256": "639fcf3bcc86acceb878d5f9e035551af674085b00d28c2023fd49a45e1181cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506318",
    "kind": "arxiv",
    "version": 2
  }
}