Pith Number

pith:PQ4MOFCF

pith:2020:PQ4MOFCFJIFOZKY4FIIO65JI4P

not attested not anchored not stored refs pending

Timing of young radio pulsars II. Braking indices and their interpretation

A. Parthasarathy, C. Sobey. W. van Straten, L. Lentati, M. Bailes, M. Kerr, P. Weltevrede, R.M. Shannon, R.N. Manchester, S. Dai, S. Johnston, S. Os{\l}owski

arxiv:2003.13303 v1 · 2020-03-30 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ4MOFCFJIFOZKY4FIIO65JI4P}

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	2026-07-05T00:55:13.735918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c38c714454a0aecab1c2a10ef7528e3f9015e48dd867467a829752ee14fedfe

Aliases

arxiv: 2003.13303 · arxiv_version: 2003.13303v1 · doi: 10.48550/arxiv.2003.13303 · pith_short_12: PQ4MOFCFJIFO · pith_short_16: PQ4MOFCFJIFOZKY4 · pith_short_8: PQ4MOFCF

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/PQ4MOFCFJIFOZKY4FIIO65JI4P \
  | 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: 7c38c714454a0aecab1c2a10ef7528e3f9015e48dd867467a829752ee14fedfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "459684a2e3fd3acc21d60e1fd0e5d60105cc461c043b2c1080ec4d3b88833ce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-03-30T09:48:06Z",
    "title_canon_sha256": "7d17b539546c022641740ec37c11be31abe827ce7013b555650a634513662e89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13303",
    "kind": "arxiv",
    "version": 1
  }
}