Pith Number

pith:5U2DIV4U

pith:2021:5U2DIV4UNFRZGGWECWDZPXAQ6U

not attested not anchored not stored refs pending

The Impact of a Stealth CME on the Martian Topside Ionosphere

C. Krishnaprasad, Govind G. Nampoothiri, Smitha V. Thampi, Tarun K. Pant

arxiv:2102.09304 v1 · 2021-02-18 · 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{5U2DIV4UNFRZGGWECWDZPXAQ6U}

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	2026-07-05T02:19:46.849811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed343457946963931ac4158797dc10f53ac9f5a97f011903d60a104258e29cd9

Aliases

arxiv: 2102.09304 · arxiv_version: 2102.09304v1 · doi: 10.48550/arxiv.2102.09304 · pith_short_12: 5U2DIV4UNFRZ · pith_short_16: 5U2DIV4UNFRZGGWE · pith_short_8: 5U2DIV4U

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/5U2DIV4UNFRZGGWECWDZPXAQ6U \
  | 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: ed343457946963931ac4158797dc10f53ac9f5a97f011903d60a104258e29cd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26ef11344cbb299d7711cd94fcfa13ca9c472c0c00a7e5363f42da76c3bed92b",
    "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": "2021-02-18T12:26:18Z",
    "title_canon_sha256": "2d6d65c6a77fcd0cfc668a931855e998fbd81216a745a674c06b7e04b80f7b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09304",
    "kind": "arxiv",
    "version": 1
  }
}