Pith Number

pith:6RBVV5BD

pith:2018:6RBVV5BDB4UUOZ6NI6LHU3FUPR

not attested not anchored not stored refs pending

Sitnikov in Westeros: How Celestial Mechanics finally explains why winter is coming in Game of Thrones

Florian Freistetter, Ruth Gr\"utzbauch

arxiv:1803.11390 v1 · 2018-03-30 · physics.pop-ph · 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{6RBVV5BDB4UUOZ6NI6LHU3FUPR}

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	2026-05-18T00:19:43.792702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4435af4230f294767cd47967a6cb47c592ac49919bf5c5287e5c7e990f7fdd8

Aliases

arxiv: 1803.11390 · arxiv_version: 1803.11390v1 · doi: 10.48550/arxiv.1803.11390 · pith_short_12: 6RBVV5BDB4UU · pith_short_16: 6RBVV5BDB4UUOZ6N · pith_short_8: 6RBVV5BD

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/6RBVV5BDB4UUOZ6NI6LHU3FUPR \
  | 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: f4435af4230f294767cd47967a6cb47c592ac49919bf5c5287e5c7e990f7fdd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c38988f7c76fae1e08dbd80c5a8f2bfe77a1f99c2e5f5639876e3d820feae023",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2018-03-30T09:24:30Z",
    "title_canon_sha256": "cc61478c4328608f5b4fd445cd9a9f53d9e972ec65e23a53c87afb08c839eb9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11390",
    "kind": "arxiv",
    "version": 1
  }
}