Pith Number

pith:4QRBT7XW

pith:2020:4QRBT7XWAHJS2IMFU4WUCOLGTP

not attested not anchored not stored refs pending

Reply to: Overconfidence in Bayesian analyses of galaxy rotation curves

Antonino Del Popolo, Davi C. Rodrigues, Valerio Marra, Zahra Davari

arxiv:2002.01970 v1 · 2020-02-05 · astro-ph.GA · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QRBT7XWAHJS2IMFU4WUCOLGTP}

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	2026-07-05T00:39:17.436544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42219fef601d32d2185a72d4139669bc4fd03971c9def8fbd338cc7d2540a23

Aliases

arxiv: 2002.01970 · arxiv_version: 2002.01970v1 · doi: 10.48550/arxiv.2002.01970 · pith_short_12: 4QRBT7XWAHJS · pith_short_16: 4QRBT7XWAHJS2IMF · pith_short_8: 4QRBT7XW

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/4QRBT7XWAHJS2IMFU4WUCOLGTP \
  | 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: e42219fef601d32d2185a72d4139669bc4fd03971c9def8fbd338cc7d2540a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b51b8b183f9ba63963c1b5d7479badb6ee80a14d72dec78a7eaed982dbfb12",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-05T19:33:15Z",
    "title_canon_sha256": "0d76d19875023984b7944dab05116f2f677c858628fd7df8132ea7bc4b444288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01970",
    "kind": "arxiv",
    "version": 1
  }
}