Pith Number

pith:HRORZ32O

pith:2009:HRORZ32OCLUV25T4GROUT2NDDJ

not attested not anchored not stored refs pending

Search for single sources of ultra high energy cosmic rays on the sky

D. V. Semikoz, G. Giacinti, X. Derkx

arxiv:0907.1035 v2 · 2009-07-06 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRORZ32OCLUV25T4GROUT2NDDJ}

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	2026-05-18T02:34:39.065470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c5d1cef4e12e95d767c345d49e9a31a57ce1e2fa0c35c2b2be208bbb8f3a1fe

Aliases

arxiv: 0907.1035 · arxiv_version: 0907.1035v2 · doi: 10.48550/arxiv.0907.1035 · pith_short_12: HRORZ32OCLUV · pith_short_16: HRORZ32OCLUV25T4 · pith_short_8: HRORZ32O

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/HRORZ32OCLUV25T4GROUT2NDDJ \
  | 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: 3c5d1cef4e12e95d767c345d49e9a31a57ce1e2fa0c35c2b2be208bbb8f3a1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248861c0786f1c3aa6d214b2b9af3ac30df2ccc3bed9ffa41af96086a149a86e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-06T16:20:19Z",
    "title_canon_sha256": "254f4942b68ba6dbb0b29fa68a3de3b3ab88ed830beba43e3f92b87b6d2141af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1035",
    "kind": "arxiv",
    "version": 2
  }
}