Pith Number

pith:CYH243SB

pith:2009:CYH243SBMGEC4IW5CQVITK3VPX

not attested not anchored not stored refs pending

Searching for New Physics with Ultrahigh Energy Cosmic Rays

Floyd W. Stecker (NASA/GSFC), Sean T. Scully (James Madison U.)

arxiv:0906.1735 v2 · 2009-06-09 · astro-ph.HE · astro-ph.CO · gr-qc · hep-ph · hep-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{CYH243SBMGEC4IW5CQVITK3VPX}

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	2026-07-04T15:47:57.376047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

160fae6e4161882e22dd142a89ab757dc8fc9ee56e3ce7d026b205b04396720d

Aliases

arxiv: 0906.1735 · arxiv_version: 0906.1735v2 · doi: 10.48550/arxiv.0906.1735 · pith_short_12: CYH243SBMGEC · pith_short_16: CYH243SBMGEC4IW5 · pith_short_8: CYH243SB

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/CYH243SBMGEC4IW5CQVITK3VPX \
  | 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: 160fae6e4161882e22dd142a89ab757dc8fc9ee56e3ce7d026b205b04396720d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "417ff8307dbd4f136ffb831808dbe3eaf6432ef985ef1d01f32f0fd63827c999",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-09T14:07:06Z",
    "title_canon_sha256": "7879c41ca85e838de4e056650c8a7de8646eae0ecb479d9229562377060e9e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1735",
    "kind": "arxiv",
    "version": 2
  }
}