Pith Number

pith:X4CMCW2T

pith:2016:X4CMCW2T3YFSYG7HQRJDFXKK5G

not attested not anchored not stored refs pending

A Gap with a Deficit of Large Grains in the protoplanetary disk around TW Hya

Catherine Walsh, Daiki Ishimoto, Hideko Nomura, Kazuhiro D. Kanagawa, Ryohei Kawabe, Satoshi Okuzumi, Shigeru Ida, Takashi Tsukagoshi, Takayuki Muto, Tom J. Millar

arxiv:1605.00289 v2 · 2016-05-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4CMCW2T3YFSYG7HQRJDFXKK5G}

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	2026-05-18T01:03:19.119200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf04c15b53de0b2c1be7845232dd4ae987d160300b9dea5886df71079ece89ee

Aliases

arxiv: 1605.00289 · arxiv_version: 1605.00289v2 · doi: 10.48550/arxiv.1605.00289 · pith_short_12: X4CMCW2T3YFS · pith_short_16: X4CMCW2T3YFSYG7H · pith_short_8: X4CMCW2T

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/X4CMCW2T3YFSYG7HQRJDFXKK5G \
  | 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: bf04c15b53de0b2c1be7845232dd4ae987d160300b9dea5886df71079ece89ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "715d339ae72164fa10b24e49b51a0b21c45ebeff6397aa5debbbc858d7f035c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-01T18:40:34Z",
    "title_canon_sha256": "ff7682297f5167e53d8528e71b61f8c9103a23cf128f0fc228a9946e58ecf456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00289",
    "kind": "arxiv",
    "version": 2
  }
}