Pith Number

pith:D5TOVU3C

pith:2004:D5TOVU3C6HJ44CN5WDKQZG22R4

not attested not anchored not stored refs pending

On the Planet and the Disk of CoKuTau/4

Adam Frank, Alice C. Quillen, Eric G. Blackman, Peggy Varniere

arxiv:astro-ph/0406445 v1 · 2004-06-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5TOVU3C6HJ44CN5WDKQZG22R4}

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	2026-07-04T16:44:03.081791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f66ead362f1d3ce09bdb0d50c9b5a8f0841e5cfcc50f9a145330139a1218132

Aliases

arxiv: astro-ph/0406445 · arxiv_version: astro-ph/0406445v1 · doi: 10.48550/arxiv.astro-ph/0406445 · pith_short_12: D5TOVU3C6HJ4 · pith_short_16: D5TOVU3C6HJ44CN5 · pith_short_8: D5TOVU3C

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/D5TOVU3C6HJ44CN5WDKQZG22R4 \
  | 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: 1f66ead362f1d3ce09bdb0d50c9b5a8f0841e5cfcc50f9a145330139a1218132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed3e90e16cd34fa45e7f7f84838ebab6d70b2ed2a9b1edcc7386312afcc7b902",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-20T20:07:43Z",
    "title_canon_sha256": "49f448f3ceb6f34b8882957749386e07d01710c74a20db8b6e992161ce5508a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406445",
    "kind": "arxiv",
    "version": 1
  }
}