Pith Number

pith:PAOLCQMK

pith:2013:PAOLCQMKSTSJFBTMCRDHLNTXJS

not attested not anchored not stored refs pending

Investigation of the Earth Ionosphere using the Radio Emission of Pulsars

A.A. Seredkina, A.I. Shevtsova, D.V. Mukha, O.M. Ulyanov

arxiv:1302.3821 v1 · 2013-02-15 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAOLCQMKSTSJFBTMCRDHLNTXJS}

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	2026-05-18T00:21:29.566092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781cb1418a94e492866c144675b6774c9bbf39350bfdbd9a1491da22257ce457

Aliases

arxiv: 1302.3821 · arxiv_version: 1302.3821v1 · doi: 10.48550/arxiv.1302.3821 · pith_short_12: PAOLCQMKSTSJ · pith_short_16: PAOLCQMKSTSJFBTM · pith_short_8: PAOLCQMK

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/PAOLCQMKSTSJFBTMCRDHLNTXJS \
  | 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: 781cb1418a94e492866c144675b6774c9bbf39350bfdbd9a1491da22257ce457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bea03087ddd96c52890744459b3706fe96fe3179e8b9b8c7ad41d03ceeb2934",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-15T17:48:09Z",
    "title_canon_sha256": "3dd5b20adfa548c368c273a6576fdb334aa58f93e12654b27ae5ce4acb3c7e1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3821",
    "kind": "arxiv",
    "version": 1
  }
}