Pith Number

pith:ROQR54F2

pith:2020:ROQR54F2WWODE2UP73WWOHTLKT

not attested not anchored not stored refs pending

Encounter of Parker Solar Probe and a Comet-like Object During Their Perihelia: Model Predictions and Measurements

Bo Cui, Chuanfei Dong, Chuanpeng Hou, David M. Malaspina, Die Duan, Jiansen He, John W. Bonnell, Keith Goetz, Lei Zhang, Liping Yang, Marc Pulupa, Peter R. Harvey, Qiugang Zong, Robert J. MacDowall, Stuart D. Bale, Thierry Dudok de Wit, Wing-Huen Ip, Yingdong Jia

arxiv:2012.00005 v1 · 2020-11-30 · astro-ph.EP · astro-ph.SR · physics.space-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{ROQR54F2WWODE2UP73WWOHTLKT}

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	2026-07-05T02:27:32.822588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ba11ef0bab59c326a8ffeed671e6b54daf6bafefa05ca62f4682553d361a636

Aliases

arxiv: 2012.00005 · arxiv_version: 2012.00005v1 · doi: 10.48550/arxiv.2012.00005 · pith_short_12: ROQR54F2WWOD · pith_short_16: ROQR54F2WWODE2UP · pith_short_8: ROQR54F2

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/ROQR54F2WWODE2UP73WWOHTLKT \
  | 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: 8ba11ef0bab59c326a8ffeed671e6b54daf6bafefa05ca62f4682553d361a636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c469868d400d31bfd0125d741370047917ebd6752413da648cd0edf6678bd37d",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-11-30T14:31:20Z",
    "title_canon_sha256": "1d1262650111390440f566393b5f65dd4930022ccdecd2a68ebe9410c6b32475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.00005",
    "kind": "arxiv",
    "version": 1
  }
}