Pith Number

pith:ZE7QTYIF

pith:1997:ZE7QTYIFCBA33EONSGYAP4XXZH

not attested not anchored not stored refs pending

Longevity and Highest-Energy Cosmic Rays

Bettina Keszthelyi, Paul H. Frampton, Y. Jack Ng

arxiv:astro-ph/9709080 v1 · 1997-09-10 · 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{ZE7QTYIFCBA33EONSGYAP4XXZH}

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	2026-05-18T01:40:16.767887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c93f09e1051041bd91cd91b007f2f7c9edbd73129dc87d0f91306a8166a04db2

Aliases

arxiv: astro-ph/9709080 · arxiv_version: astro-ph/9709080v1 · doi: 10.48550/arxiv.astro-ph/9709080 · pith_short_12: ZE7QTYIFCBA3 · pith_short_16: ZE7QTYIFCBA33EON · pith_short_8: ZE7QTYIF

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/ZE7QTYIFCBA33EONSGYAP4XXZH \
  | 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: c93f09e1051041bd91cd91b007f2f7c9edbd73129dc87d0f91306a8166a04db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd09847185becef86dfa4bab0a5954777ec4f07ea3d741b0ce56bac03bf1a247",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-10T01:58:25Z",
    "title_canon_sha256": "c078d6098565d0d4c10ad14ed7a8ec65a74d11e50ace8cf67c2ef67cd0dc8680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709080",
    "kind": "arxiv",
    "version": 1
  }
}