Pith Number

pith:Q3RH6YBW

pith:2017:Q3RH6YBWPQJ7Q7IQERGV64NY66

not attested not anchored not stored refs pending

$^{13}$CO/C$^{18}$O Gradients Across the Disks of Nearby Spiral Galaxies

A. Hughes, A. K. Leroy, A. Schruba, A. Usero, C. Kramer, D. Cormier, D. Meier, E. Murphy, E. Schinnerer, F. Bigiel, J. Pety, K. Schuster, K. Sliwa, M. Gallagher, M. J. Jimenez-Donaire, M. R. Krumholz, N. Tomicic

arxiv:1701.01734 v1 · 2017-01-06 · 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{Q3RH6YBWPQJ7Q7IQERGV64NY66}

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	2026-05-18T00:50:17.408268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86e27f60367c13f87d10244d5f71b8f7af59b5bb19a71f8918dbab1d0fccb118

Aliases

arxiv: 1701.01734 · arxiv_version: 1701.01734v1 · doi: 10.48550/arxiv.1701.01734 · pith_short_12: Q3RH6YBWPQJ7 · pith_short_16: Q3RH6YBWPQJ7Q7IQ · pith_short_8: Q3RH6YBW

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/Q3RH6YBWPQJ7Q7IQERGV64NY66 \
  | 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: 86e27f60367c13f87d10244d5f71b8f7af59b5bb19a71f8918dbab1d0fccb118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd0370f16d6b114623f449914507fe5a00e3008dc92271256fff396338056551",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-06T19:00:12Z",
    "title_canon_sha256": "2b228247e63d0b70b30050711377112a5eafa30c38929b47de0c8569f44aaf7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01734",
    "kind": "arxiv",
    "version": 1
  }
}