Pith Number

pith:C3BOYRCJ

pith:2016:C3BOYRCJWR2EKYRW24LUNVH2Q4

not attested not anchored not stored refs pending

Dynamical effect of gas on spiral pattern speed in galaxies

Chanda J Jog, Soumavo Ghosh

arxiv:1604.05401 v1 · 2016-04-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3BOYRCJWR2EKYRW24LUNVH2Q4}

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	2026-05-18T01:13:11.096174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c2ec4449b474456236d71746d4fa872969a5803c309eb217d2bfa8220588e4

Aliases

arxiv: 1604.05401 · arxiv_version: 1604.05401v1 · doi: 10.48550/arxiv.1604.05401 · pith_short_12: C3BOYRCJWR2E · pith_short_16: C3BOYRCJWR2EKYRW · pith_short_8: C3BOYRCJ

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/C3BOYRCJWR2EKYRW24LUNVH2Q4 \
  | 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: 16c2ec4449b474456236d71746d4fa872969a5803c309eb217d2bfa8220588e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae8b9613c4ce2c1905328b03f12f340ad84cd4c5acedd1ad935ca6f3e03f332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-19T01:46:21Z",
    "title_canon_sha256": "6d3aaa4a132938338964061c18e12bf68cd58ee7d23df9c5c66de5f5d097eb69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05401",
    "kind": "arxiv",
    "version": 1
  }
}