Pith Number

pith:CPQI3S7D

pith:2021:CPQI3S7DOELSXKLTZDB5KVBVAH

not attested not anchored not stored refs pending

A polarization census of bright pulsars using the Ultra-Wideband Receiver on the Parkes radio telescope

A. Parthasarathy, C. Sobey, L. S. Oswald, M. Kerr, P. Weltevrede, R. M. Shannon, R. N. Manchester, S. Dai, S. Johnston

arxiv:2103.13838 v1 · 2021-03-25 · astro-ph.HE · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPQI3S7DOELSXKLTZDB5KVBVAH}

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	2026-07-05T02:26:22.892565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e08dcbe371172ba973c8c3d5543501d6a81f85acde52c82d44839124f1d572

Aliases

arxiv: 2103.13838 · arxiv_version: 2103.13838v1 · doi: 10.48550/arxiv.2103.13838 · pith_short_12: CPQI3S7DOELS · pith_short_16: CPQI3S7DOELSXKLT · pith_short_8: CPQI3S7D

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/CPQI3S7DOELSXKLTZDB5KVBVAH \
  | 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: 13e08dcbe371172ba973c8c3d5543501d6a81f85acde52c82d44839124f1d572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33609e67362b81953889fe293792d0b2997053ee430242c7020bc62c22fa7db0",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-03-25T13:37:17Z",
    "title_canon_sha256": "f6566cae75b6a81837672a2a64e8581d9b0e9fb983e8209df53c489fb5d23cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13838",
    "kind": "arxiv",
    "version": 1
  }
}