Pith Number

pith:V2NRIU7L

pith:2021:V2NRIU7LNK46NUOT4WZA4WPE3G

not attested not anchored not stored refs pending

Refining Saturn's deuterium-hydrogen ratio via IRTF/TEXES spectroscopy

Arrate Antu\~nano, Glenn S. Orton, Henrik Melin, James S.D. Blake, Leigh N. Fletcher, Mike T. Roman, Naomi Rowe-Gurney, Oliver King, Padraig T. Donnelly, Thomas K. Greathouse

arxiv:2108.09951 v1 · 2021-08-23 · astro-ph.EP · physics.space-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{V2NRIU7LNK46NUOT4WZA4WPE3G}

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	2026-07-05T03:14:25.921985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae9b1453eb6ab9e6d1d3e5b20e59e4d9840cf22781873fad66c3350684ac2c55

Aliases

arxiv: 2108.09951 · arxiv_version: 2108.09951v1 · doi: 10.48550/arxiv.2108.09951 · pith_short_12: V2NRIU7LNK46 · pith_short_16: V2NRIU7LNK46NUOT · pith_short_8: V2NRIU7L

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/V2NRIU7LNK46NUOT4WZA4WPE3G \
  | 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: ae9b1453eb6ab9e6d1d3e5b20e59e4d9840cf22781873fad66c3350684ac2c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3add963f758265bdcad80fd52c6fe73ffde0283b8fe9e78a5a63da0de83a3c0",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-08-23T05:48:29Z",
    "title_canon_sha256": "472cd2db9bae118357a53c089cb93eeecedd5e17171d9c58bbf27c54c4a655df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09951",
    "kind": "arxiv",
    "version": 1
  }
}