Pith Number

pith:BVVSW43Y

pith:2013:BVVSW43Y2KMHPQSBM54SUQLU3W

not attested not anchored not stored refs pending

Tentative identification of the source of four UHECRs, and implications thereof

Glennys R. Farrar

arxiv:1308.3828 v2 · 2013-08-18 · 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{BVVSW43Y2KMHPQSBM54SUQLU3W}

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	2026-05-18T03:15:33.709080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d6b2b7378d29877c24167792a4174dd92d568821153deac9a561231419f04d5

Aliases

arxiv: 1308.3828 · arxiv_version: 1308.3828v2 · doi: 10.48550/arxiv.1308.3828 · pith_short_12: BVVSW43Y2KMH · pith_short_16: BVVSW43Y2KMHPQSB · pith_short_8: BVVSW43Y

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/BVVSW43Y2KMHPQSBM54SUQLU3W \
  | 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: 0d6b2b7378d29877c24167792a4174dd92d568821153deac9a561231419f04d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd28390da93808dcc6d31f5089dcbae1fe389f1ff2f0099ae478c57fb1e240c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-18T04:18:13Z",
    "title_canon_sha256": "baee1230664a23bf357eff1c52fb416c8a9f401a152da47ebdea09efcbe17739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3828",
    "kind": "arxiv",
    "version": 2
  }
}