Pith Number

pith:D2MCDZQD

pith:2011:D2MCDZQDQD3ZGSUIX6AHSGJMQW

not attested not anchored not stored refs pending

Neutral Hydrogen Tully Fisher Relation: The case for Newtonian Gravity

Satej Khedekar, Sayan Chakraborti

arxiv:1109.0529 v1 · 2011-09-02 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2MCDZQDQD3ZGSUIX6AHSGJMQW}

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	2026-05-18T04:14:15.460784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9821e60380f7934a88bf8079192c85b8b1abc7c3f600912736ecb77b1cc301

Aliases

arxiv: 1109.0529 · arxiv_version: 1109.0529v1 · doi: 10.48550/arxiv.1109.0529 · pith_short_12: D2MCDZQDQD3Z · pith_short_16: D2MCDZQDQD3ZGSUI · pith_short_8: D2MCDZQD

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/D2MCDZQDQD3ZGSUIX6AHSGJMQW \
  | 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: 1e9821e60380f7934a88bf8079192c85b8b1abc7c3f600912736ecb77b1cc301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c05f3b80842765a75b2b10905c530146609f786ae729ba974efe17348c463b15",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-02T19:44:48Z",
    "title_canon_sha256": "187bbb5824a2d9142d20e0fc0cac19810f85375c47a8e3024abe3aa26cf2a52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0529",
    "kind": "arxiv",
    "version": 1
  }
}