Pith Number

pith:P7H77EF4

pith:2015:P7H77EF4Q2NO42VWMD2JH5KRAM

not attested not anchored not stored refs pending

Atmospheric Modelling for Neptune's Methane D/H Ratio - Preliminary Results

Daniel V. Cotton, Jeremy Bailey, Kimberly Bott, Lucyna L. Kedziora-Chudczer

arxiv:1503.06505 v1 · 2015-03-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7H77EF4Q2NO42VWMD2JH5KRAM}

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	2026-05-18T02:20:12.105531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fcfff90bc869aee6ab660f493f5510336ddf7e3339d61331d839dd819b350cd

Aliases

arxiv: 1503.06505 · arxiv_version: 1503.06505v1 · doi: 10.48550/arxiv.1503.06505 · pith_short_12: P7H77EF4Q2NO · pith_short_16: P7H77EF4Q2NO42VW · pith_short_8: P7H77EF4

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/P7H77EF4Q2NO42VWMD2JH5KRAM \
  | 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: 7fcfff90bc869aee6ab660f493f5510336ddf7e3339d61331d839dd819b350cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d970a43b51d1566c8ede2db567f55debfbff593885f227cf7dc095bad6dfbaef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-23T01:33:49Z",
    "title_canon_sha256": "2bb299cc563007f848eed9cf5c9147de1efcec90b7f53353098db8fcf0729a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06505",
    "kind": "arxiv",
    "version": 1
  }
}