Pith Number

pith:2ZYPKCRG

pith:2018:2ZYPKCRGZJ57XISMFK356HZHC2

not attested not anchored not stored refs pending

Central accumulation of magnetic flux in massive Seyfert galaxies as a possible engine to trigger ultrahigh energy cosmic rays

C. H. Coimbra-Araujo, R. C. Anjos

arxiv:1803.02168 v1 · 2018-03-06 · 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{2ZYPKCRGZJ57XISMFK356HZHC2}

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	2026-05-18T00:21:40.171925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d670f50a26ca7bfba24c2ab7df1f2716b6f86af0a97028d02a26ad045911b566

Aliases

arxiv: 1803.02168 · arxiv_version: 1803.02168v1 · doi: 10.48550/arxiv.1803.02168 · pith_short_12: 2ZYPKCRGZJ57 · pith_short_16: 2ZYPKCRGZJ57XISM · pith_short_8: 2ZYPKCRG

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/2ZYPKCRGZJ57XISMFK356HZHC2 \
  | 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: d670f50a26ca7bfba24c2ab7df1f2716b6f86af0a97028d02a26ad045911b566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35577d9bed94f91328526eb71dbbb2c3fd7ccc7e155f58f5885374ce0e19edb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-06T13:41:11Z",
    "title_canon_sha256": "387cc0d1de9a0513453fdc555a2fae38ca14754d5de86b4a2b5f2f6b82dcb78c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02168",
    "kind": "arxiv",
    "version": 1
  }
}