Pith Number

pith:7ZMLUWXQ

pith:2018:7ZMLUWXQDSJNJOZOLE5FN6EOS2

not attested not anchored not stored refs pending

The nitrogen cycles on Pluto over seasonal and astronomical timescales

A.M. Zangari, A. Stern, B. Schmitt, C.B. Olkin, F. Forget, H.A. Weaver, K. Ennico, K.N. Singer, L.A. Young, O.L. White, O. M. Umurhan, P.M. Schenk, S. Protopapa, T. Bertrand, the New Horizons Science Team, W.M. Grundy

arxiv:1804.02434 v1 · 2018-04-06 · 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{7ZMLUWXQDSJNJOZOLE5FN6EOS2}

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	2026-05-18T00:18:10.335297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe58ba5af01c92d4bb2e593a56f88e9690a7441af92d2bacb3e2f39f193d477a

Aliases

arxiv: 1804.02434 · arxiv_version: 1804.02434v1 · doi: 10.48550/arxiv.1804.02434 · pith_short_12: 7ZMLUWXQDSJN · pith_short_16: 7ZMLUWXQDSJNJOZO · pith_short_8: 7ZMLUWXQ

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/7ZMLUWXQDSJNJOZOLE5FN6EOS2 \
  | 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: fe58ba5af01c92d4bb2e593a56f88e9690a7441af92d2bacb3e2f39f193d477a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21db60c2eb382999f1def4fe1c8091d67fe461f1e1913dd268a403101d2ce4b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-06T19:30:09Z",
    "title_canon_sha256": "5c0a090d518dda93f8d272fd2fc1ef8071008fd5194e2a1ae89db29a6f5c148d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02434",
    "kind": "arxiv",
    "version": 1
  }
}