Pith Number

pith:3UCNDYJV

pith:2020:3UCNDYJVZP4SXYBXQTDV2YRS3J

not attested not anchored not stored refs pending

The Distribution of Neutral Hydrogen in the Color-Magnitude Plane of Galaxies

Nishikanta Khandai, Saili Dutta

arxiv:2010.15140 v1 · 2020-10-28 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UCNDYJVZP4SXYBXQTDV2YRS3J}

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	2026-07-05T01:48:14.205060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd04d1e135cbf92be03784c75d6232da4929e4acf381cecbbad38475fa2e0189

Aliases

arxiv: 2010.15140 · arxiv_version: 2010.15140v1 · doi: 10.48550/arxiv.2010.15140 · pith_short_12: 3UCNDYJVZP4S · pith_short_16: 3UCNDYJVZP4SXYBX · pith_short_8: 3UCNDYJV

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/3UCNDYJVZP4SXYBXQTDV2YRS3J \
  | 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: dd04d1e135cbf92be03784c75d6232da4929e4acf381cecbbad38475fa2e0189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ff8b4fcc6c7d02eef805d12ac5755058e4d8b3ec7e07b3aede9831719174d3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-10-28T18:00:04Z",
    "title_canon_sha256": "7e7fad6e57f84c744b248c888848dcc5a20728f2a0da7dd4329a401f1805f367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.15140",
    "kind": "arxiv",
    "version": 1
  }
}