Pith Number

pith:J2JDPZXO

pith:2015:J2JDPZXOHTPIX4VJQXHV2Z4QU3

not attested not anchored not stored refs pending

Discovery of a Disk Gap Candidate at 20 AU in TW Hydrae

A. Kataoka, A. Moro-Martin, C. A. Grady, C. Thalmann, D. Tomono, E. Akiyama, E. L. Turner, G. R. Knapp, G. Serabyn, H. Suto, H. Takami, H. Terada, J. C. Carson S. Mayama, J. Hashimoto, J. -I. Morino, J. Kwon, J. Wisniewski, K. W. Hodapp, L. Abe, M. Feldt, M. Goto, M. Hayashi, M. Ishi, M. Iye, M. Janson, M. Kuzuhara, M. L. Sitko, M. Momose, M. Takami, M. Tamura, M. Watanabe, M. W. McElwain, N. Kusakabe, N. Ohashi, N. Takato, O. Guyon, R. Kandori, R. Suzuki, S. Egner, S. Hayashi, S. Miyama, T. Currie, T. D. Brandt, T. Henning, T. Kudo, T. Matsuo, T. Muto, T. Nishimura, T. -S. Pyo, T. Suenaga, T. Tsukagoshi, T. Usuda, T. Yamada, W. Brandner, Y. Hayano, Y. H. Takahashi

arxiv:1503.01856 v2 · 2015-03-06 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2JDPZXOHTPIX4VJQXHV2Z4QU3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:40:53.140222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9237e6ee3cde8bf2a985cf5d6790a6fe2b90fff21267d25900dd0dfb8082e4

Aliases

arxiv: 1503.01856 · arxiv_version: 1503.01856v2 · doi: 10.48550/arxiv.1503.01856 · pith_short_12: J2JDPZXOHTPI · pith_short_16: J2JDPZXOHTPIX4VJ · pith_short_8: J2JDPZXO

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/J2JDPZXOHTPIX4VJQXHV2Z4QU3 \
  | 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: 4e9237e6ee3cde8bf2a985cf5d6790a6fe2b90fff21267d25900dd0dfb8082e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d70a29d7913b3ea7b9156565313e49edaeae0194ce74a78e3c810f3466864af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-06T06:14:51Z",
    "title_canon_sha256": "c77e7b04cac64b2d4266ac17d717fcb17a7a92f3eb9a769ffd9ed9b1297103e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01856",
    "kind": "arxiv",
    "version": 2
  }
}