Pith Number

pith:WPRTMU6P

pith:2013:WPRTMU6PYKNZZMPKL66W5MDX56

not attested not anchored not stored refs pending

The D/H ratio in the atmospheres of Uranus and Neptune from Herschel PACS observations

B. Swinyard, B. Vandenbussche, C. Jarchow, E. Lellouch, F. Billebaud, G. Orton, H. Feuchtgruber, P. Hartogh, R. Moreno, S. Sidher, T. Cavalie, T. de Graauw

arxiv:1301.5781 v1 · 2013-01-24 · 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{WPRTMU6PYKNZZMPKL66W5MDX56}

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	2026-05-18T01:51:58.977954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e33653cfc29b9cb1ea5fbd6eb077efbc9b8ce4cf68489f7a71db9c28a8ca62

Aliases

arxiv: 1301.5781 · arxiv_version: 1301.5781v1 · doi: 10.48550/arxiv.1301.5781 · pith_short_12: WPRTMU6PYKNZ · pith_short_16: WPRTMU6PYKNZZMPK · pith_short_8: WPRTMU6P

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/WPRTMU6PYKNZZMPKL66W5MDX56 \
  | 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: b3e33653cfc29b9cb1ea5fbd6eb077efbc9b8ce4cf68489f7a71db9c28a8ca62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6893b5f2b8548e3243bce76e88bba029f8e84426893068c45cbd6fe6243f937",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-01-24T13:46:51Z",
    "title_canon_sha256": "89838090c3115b9a2cf447390c730c9c0b9fcdadfed016b6dc819961559bba27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5781",
    "kind": "arxiv",
    "version": 1
  }
}