Pith Number

pith:3KKPKKLF

pith:2019:3KKPKKLF4WQT7OT52PI72W3S25

not attested not anchored not stored refs pending

First sub-arcsecond submillimeter-wave [C I] image of 49 Ceti with ALMA

Aya E. Higuchi, Daisuke Ishihara, Hiroshi Kobayashi, Kang Lou Soon, Kazunari Iwasaki, Kazuya Saigo, Masanobu Kunitomo, Munetake Momose, Nami Sakai, Satoshi Yamamoto

arxiv:1908.07032 v1 · 2019-08-19 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KKPKKLF4WQT7OT52PI72W3S25}

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	2026-07-05T00:10:42.197055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da94f52965e5a13fba7dd3d1fd5b72d755f2c5c029308e0db6449ca2ef36e4d5

Aliases

arxiv: 1908.07032 · arxiv_version: 1908.07032v1 · doi: 10.48550/arxiv.1908.07032 · pith_short_12: 3KKPKKLF4WQT · pith_short_16: 3KKPKKLF4WQT7OT5 · pith_short_8: 3KKPKKLF

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/3KKPKKLF4WQT7OT52PI72W3S25 \
  | 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: da94f52965e5a13fba7dd3d1fd5b72d755f2c5c029308e0db6449ca2ef36e4d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b76454925e514f38b5ab49df40c3f10e63e8fb88e998def170353cc95d6c8e0b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-19T19:14:46Z",
    "title_canon_sha256": "43cb47cd2830f33cf25d2d683ba8a2f7da7fb24dbe9e3cd06ede2fdcad92fd08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07032",
    "kind": "arxiv",
    "version": 1
  }
}