Pith Number

pith:QBFQEU4G

pith:2008:QBFQEU4GZCEPBMSB6V4ZN2BDMS

not attested not anchored not stored refs pending

An Improved Model for Relativistic Solar Proton Acceleration applied to the 2005 January 20 and Earlier Events

D. J. Bombardieri, J. E. Humble, K. J. Michael, M. L. Duldig

arxiv:0807.5053 v1 · 2008-07-31 · 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{QBFQEU4GZCEPBMSB6V4ZN2BDMS}

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	2026-05-18T04:29:33.122828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804b025386c888f0b241f57996e82364a5cbfcf13884d8b717f1bdd9bc134a72

Aliases

arxiv: 0807.5053 · arxiv_version: 0807.5053v1 · doi: 10.48550/arxiv.0807.5053 · pith_short_12: QBFQEU4GZCEP · pith_short_16: QBFQEU4GZCEPBMSB · pith_short_8: QBFQEU4G

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/QBFQEU4GZCEPBMSB6V4ZN2BDMS \
  | 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: 804b025386c888f0b241f57996e82364a5cbfcf13884d8b717f1bdd9bc134a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "743efba07bc6582cdcfaca055f99c15f2e90818c2d0432bb4a18939a713fa1b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-31T13:01:02Z",
    "title_canon_sha256": "f6c4253cacde536439e25eb06b5eac6b780cf1a9c8411c2c22edcf503f04a555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.5053",
    "kind": "arxiv",
    "version": 1
  }
}