Pith Number

pith:2DWT6ZSC

pith:2018:2DWT6ZSCOQQJT3W62SHRNXSEXG

not attested not anchored not stored refs pending

Europa's Optical Aurora

Katherine de Kleer, Michael E Brown

arxiv:1809.04617 v1 · 2018-09-12 · 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{2DWT6ZSCOQQJT3W62SHRNXSEXG}

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	2026-05-18T00:03:45.246551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ed3f6642742099eeded48f16de44b9b749aa9314bc745de31bd6602dbe884f

Aliases

arxiv: 1809.04617 · arxiv_version: 1809.04617v1 · doi: 10.48550/arxiv.1809.04617 · pith_short_12: 2DWT6ZSCOQQJ · pith_short_16: 2DWT6ZSCOQQJT3W6 · pith_short_8: 2DWT6ZSC

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/2DWT6ZSCOQQJT3W62SHRNXSEXG \
  | 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: d0ed3f6642742099eeded48f16de44b9b749aa9314bc745de31bd6602dbe884f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3589e71f90f7646a1a29ab0d82024e5756c0259532822aaaba630d405b656938",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-12T18:04:55Z",
    "title_canon_sha256": "6d4ac15993be0187091f193de1c5b8c9f32e37909a5ccaee91b46386eecc5af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04617",
    "kind": "arxiv",
    "version": 1
  }
}