Pith Number

pith:SYANA6E2

pith:2005:SYANA6E2PREH36X4QJNB7PMFWZ

not attested not anchored not stored refs pending

Possibility of Ultra High-Energy Cosmic Rays from the Giant Flare in SGR 1806-20

Katsuaki Asano, Naoshi Sugiyama, Ryo Yamazaki

arxiv:astro-ph/0503335 v4 · 2005-03-16 · 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{SYANA6E2PREH36X4QJNB7PMFWZ}

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	2026-05-18T01:40:34.307669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9600d0789a7c487dfafc825a1fbd85b67ac50ef68900283b0697784326b1f1fb

Aliases

arxiv: astro-ph/0503335 · arxiv_version: astro-ph/0503335v4 · doi: 10.48550/arxiv.astro-ph/0503335 · pith_short_12: SYANA6E2PREH · pith_short_16: SYANA6E2PREH36X4 · pith_short_8: SYANA6E2

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/SYANA6E2PREH36X4QJNB7PMFWZ \
  | 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: 9600d0789a7c487dfafc825a1fbd85b67ac50ef68900283b0697784326b1f1fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f72954f8694c06afb937121098405053487ef81ab1b4a3e2706ed7859c8ef550",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-16T04:02:41Z",
    "title_canon_sha256": "f0e5b58ab04c7b3ceafa0826f312a48abf719a75a4cdb44f664bd6817a5eb007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503335",
    "kind": "arxiv",
    "version": 4
  }
}