Pith Number

pith:3YKWKXPL

pith:2019:3YKWKXPL4BSWV4ABMMIWFA4AHP

not attested not anchored not stored refs pending

Theoretical model of the outer disk of TW Hya presently forming in-situ planets and comparison with models of AS 209 and HL Tau

Demosthenes Kazanas, Dimitris M. Christodoulou

arxiv:1902.04457 v2 · 2019-02-09 · 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{3YKWKXPL4BSWV4ABMMIWFA4AHP}

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	2026-05-17T23:52:14.667641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de15655debe0656af00163116283803bc3401c86bbfd2a72c52ebd9c6c7e652b

Aliases

arxiv: 1902.04457 · arxiv_version: 1902.04457v2 · doi: 10.48550/arxiv.1902.04457 · pith_short_12: 3YKWKXPL4BSW · pith_short_16: 3YKWKXPL4BSWV4AB · pith_short_8: 3YKWKXPL

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/3YKWKXPL4BSWV4ABMMIWFA4AHP \
  | 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: de15655debe0656af00163116283803bc3401c86bbfd2a72c52ebd9c6c7e652b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b97670fd38f2c46aec425fedd210a16ac2e7545ccdfb590b810c887005e29593",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-09T20:30:49Z",
    "title_canon_sha256": "4f6cd590f9217dda88117a24a792e697b14333b60e358d8a54467fa76345d22e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04457",
    "kind": "arxiv",
    "version": 2
  }
}