Pith Number

pith:7YPDMM4G

pith:2005:7YPDMM4GORRFBKX3ANWGSDQWA7

not attested not anchored not stored refs pending

Neutrons and antiprotons in ultrahigh energy cosmic rays

Bo-Qiang Ma, W-Y. P. Hwang

arxiv:astro-ph/0509118 v1 · 2005-09-06 · astro-ph · hep-ex · hep-ph · nucl-ex · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YPDMM4GORRFBKX3ANWGSDQWA7}

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	2026-05-18T01:40:33.541963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe1e363386746250aafb036c690e1607e2676bb25eb3abaae7e0515435cdaddc

Aliases

arxiv: astro-ph/0509118 · arxiv_version: astro-ph/0509118v1 · doi: 10.48550/arxiv.astro-ph/0509118 · pith_short_12: 7YPDMM4GORRF · pith_short_16: 7YPDMM4GORRFBKX3 · pith_short_8: 7YPDMM4G

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/7YPDMM4GORRFBKX3ANWGSDQWA7 \
  | 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: fe1e363386746250aafb036c690e1607e2676bb25eb3abaae7e0515435cdaddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e43ef6a2075561ec22d833c54b1d0faf060699d8c77fdb7c4c92e667c26ac0f",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph",
      "nucl-ex",
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-06T11:55:17Z",
    "title_canon_sha256": "c195c39c6f9235301f420b4d4e4741044703adff179f1405bb529056bf0506c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509118",
    "kind": "arxiv",
    "version": 1
  }
}