Pith Number

pith:MDGPCBI3

pith:2018:MDGPCBI3MUOTQIX6OIDQ3TEQX2

not attested not anchored not stored refs pending

A New Tool for CME Arrival Time Prediction Using Machine Learning Algorithms: CAT-PUMA

Chenlong Shen, Jiajia Liu, Robert Erd\'elyi, Yudong Ye, Yuming Wang

arxiv:1802.02803 v1 · 2018-02-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDGPCBI3MUOTQIX6OIDQ3TEQX2}

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	2026-05-18T00:20:02.202783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ccf1051b651d3822fe72070dcc90be9fab13a52d7888cddbc41f2d081f1c48

Aliases

arxiv: 1802.02803 · arxiv_version: 1802.02803v1 · doi: 10.48550/arxiv.1802.02803 · pith_short_12: MDGPCBI3MUOT · pith_short_16: MDGPCBI3MUOTQIX6 · pith_short_8: MDGPCBI3

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/MDGPCBI3MUOTQIX6OIDQ3TEQX2 \
  | 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: 60ccf1051b651d3822fe72070dcc90be9fab13a52d7888cddbc41f2d081f1c48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3398616abd6ee455c71c398eba0111b1244a3aaff0180de5a49652d330aa469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-08T10:57:46Z",
    "title_canon_sha256": "1b38b1acfd59f23d34bd50f2f75afafb9949742201d102592aa363f023d3f981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02803",
    "kind": "arxiv",
    "version": 1
  }
}