Pith Number

pith:4BMO7YV2

pith:2013:4BMO7YV24XU7ZMU7FTID4C7KWE

not attested not anchored not stored refs pending

Local Enhancement of Surface Density in the Protoplanetary Ring Surrounding HD 142527

Akimasa Kataoka, Eiji Akiyama, Hideaki Fujiwara, Hideko Nomura, Hiroshi Kobayashi, Hiroshi Shibai, Kazuya Saigo, Misato Fukagawa, Mitsuhiko Honda, Munetake Momose, Nagayoshi Ohashi, Sanemichi Z. Takahashi, Shu-ichiro Inutsuka, Takashi Tsukagoshi, Takayuki Muto, Taku Takeuchi, Tomoyuki Hanawa, Yoshimi Kitamura

arxiv:1309.7400 v1 · 2013-09-28 · 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{4BMO7YV24XU7ZMU7FTID4C7KWE}

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	2026-05-18T01:47:25.176932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e058efe2bae5e9fcb29f2cd03e0beab119c8c8ebccb9e0ed1cc80d32016f63ac

Aliases

arxiv: 1309.7400 · arxiv_version: 1309.7400v1 · doi: 10.48550/arxiv.1309.7400 · pith_short_12: 4BMO7YV24XU7 · pith_short_16: 4BMO7YV24XU7ZMU7 · pith_short_8: 4BMO7YV2

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/4BMO7YV24XU7ZMU7FTID4C7KWE \
  | 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: e058efe2bae5e9fcb29f2cd03e0beab119c8c8ebccb9e0ed1cc80d32016f63ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6400e2f39b9417eed4d187aab46c08a13b13ccbecef9b277c351cb8e1cc457c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-28T01:14:32Z",
    "title_canon_sha256": "21e2dd94f3b509b38a0710a14c89bc47882ef65eedd9b5caa13410aa45a40a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7400",
    "kind": "arxiv",
    "version": 1
  }
}