Pith Number

pith:7WHW5USN

pith:2018:7WHW5USNLRLEJLRRSJLZATJBY3

not attested not anchored not stored refs pending

Sun-to-Earth Propagation of the 2015 June 21 Coronal Mass Ejection Revealed by Optical, EUV, and Radio Observations

H. Xie, N. Gopalswamy, N. Thakur, P. Makela, S. Akiyama, S. Yashiro

arxiv:1807.10979 v2 · 2018-07-28 · 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{7WHW5USNLRLEJLRRSJLZATJBY3}

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	2026-05-18T00:06:59.025742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd8f6ed24d5c5644ae319257904d21c6e6c623d826c25197f124fa67a2612a07

Aliases

arxiv: 1807.10979 · arxiv_version: 1807.10979v2 · doi: 10.48550/arxiv.1807.10979 · pith_short_12: 7WHW5USNLRLE · pith_short_16: 7WHW5USNLRLEJLRR · pith_short_8: 7WHW5USN

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/7WHW5USNLRLEJLRRSJLZATJBY3 \
  | 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: fd8f6ed24d5c5644ae319257904d21c6e6c623d826c25197f124fa67a2612a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a07cd87796878c9ec486667e1d48db595302a154954b748cc56df8688f1f6d4",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-28T21:39:22Z",
    "title_canon_sha256": "7f8b872b5e042f120453869ef45ae0b64aeb7605aa5d6d1c7a5056c10689c41a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10979",
    "kind": "arxiv",
    "version": 2
  }
}