Pith Number

pith:QEZND3S4

pith:2000:QEZND3S4GT35GSMAPAFPLQT7AS

not attested not anchored not stored refs pending

Physics of Extremely High Energy Cosmic Rays

Antoine Letessier-Selvon (LPNHE/IN2P3, Murat Boratav, University of Paris 6&7), Xavier Bertou

arxiv:astro-ph/0001516 v1 · 2000-01-29 · 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{QEZND3S4GT35GSMAPAFPLQT7AS}

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	2026-05-18T02:40:36.895942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8132d1ee5c34f7d34980780af5c27f04877e119b4d0155946b6ede9645160443

Aliases

arxiv: astro-ph/0001516 · arxiv_version: astro-ph/0001516v1 · doi: 10.48550/arxiv.astro-ph/0001516 · pith_short_12: QEZND3S4GT35 · pith_short_16: QEZND3S4GT35GSMA · pith_short_8: QEZND3S4

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/QEZND3S4GT35GSMAPAFPLQT7AS \
  | 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: 8132d1ee5c34f7d34980780af5c27f04877e119b4d0155946b6ede9645160443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4643d43aa0ef60aed5ad4902026e83f8fc48b1e30082f9a0bd9f8430305d61ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-29T16:13:17Z",
    "title_canon_sha256": "d613da0f929d1653ec0e00ae8425d2c026b289e9b5acda2f0b59de5a682bc6b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001516",
    "kind": "arxiv",
    "version": 1
  }
}