Pith Number

pith:7SB26OE7

pith:2020:7SB26OE7UIVBBMA26XTYHSFFZY

not attested not anchored not stored refs pending

The radio pulsar population of the Small Magellanic Cloud

B.W. Stappers, D.A.H. Buckley, L. Levin, N. Titus, S. Toonen, V.A. McBride

arxiv:2003.01969 v1 · 2020-03-04 · astro-ph.SR · astro-ph.GA · 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{7SB26OE7UIVBBMA26XTYHSFFZY}

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	2026-07-05T00:48:57.245327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc83af389fa22a10b01af5e783c8a5ce3969d43d55e88431da3dc7116fada78c

Aliases

arxiv: 2003.01969 · arxiv_version: 2003.01969v1 · doi: 10.48550/arxiv.2003.01969 · pith_short_12: 7SB26OE7UIVB · pith_short_16: 7SB26OE7UIVBBMA2 · pith_short_8: 7SB26OE7

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/7SB26OE7UIVBBMA26XTYHSFFZY \
  | 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: fc83af389fa22a10b01af5e783c8a5ce3969d43d55e88431da3dc7116fada78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2842b1bcfc8eac3bd402ba0ea9a18b1995bb2278c3d9c49049c293b1097c1d3c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-04T09:42:12Z",
    "title_canon_sha256": "da0dfc66a48ea7cc76e3d1ef70c4f763bddd8c8a14d2ac4490dca33222499269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.01969",
    "kind": "arxiv",
    "version": 1
  }
}