Pith Number

pith:KAPHHJ3I

pith:2020:KAPHHJ3IOMPOJEF6RRXNDIWZOY

not attested not anchored not stored refs pending

Systematic Variations of CO J=2-1/1-0 Ratio in The Barred Spiral Galaxy M83

A. Gil de Paz, A. Hirota, B. G. Elmegreen, C. Vlahakis, D. Calzetti, F. Egusa, J. Donovan Meyer, J. Koda, K. Muraoka, K. Nakanishi, K. Sakamoto, L. C. Ho, M. I.N. Kobayashi, M. Seibert, N. Harada, N. Kuno, N. Scoville, S. Boissier, S. Martin, T. Sawada, Y. Watanabe

arxiv:2001.11043 v1 · 2020-01-29 · 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{KAPHHJ3IOMPOJEF6RRXNDIWZOY}

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	2026-07-05T01:42:33.314669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

501e73a768731ee490be8c6ed1a2d9760363f2860ae095638fc3555c243118a5

Aliases

arxiv: 2001.11043 · arxiv_version: 2001.11043v1 · doi: 10.48550/arxiv.2001.11043 · pith_short_12: KAPHHJ3IOMPO · pith_short_16: KAPHHJ3IOMPOJEF6 · pith_short_8: KAPHHJ3I

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/KAPHHJ3IOMPOJEF6RRXNDIWZOY \
  | 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: 501e73a768731ee490be8c6ed1a2d9760363f2860ae095638fc3555c243118a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ed50104ad4dfa4ef063d84a6edb6a581b37530eb7256b0b47e9634e9d99f3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-29T19:00:13Z",
    "title_canon_sha256": "9a57492e0550ddea20d6e751d41b9f73252eb4f05fdb4b15da49789cce827ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11043",
    "kind": "arxiv",
    "version": 1
  }
}