Pith Number

pith:N4IOA6BK

pith:2017:N4IOA6BKN7YW6ZUWDSOOP62TZL

not attested not anchored not stored refs pending

Evidence that the planetary candidate CVSO30c is a background star from optical, seeing-limited data

Chien-Hsiu Lee (Subaru Telescope, NAOJ), National Central University), Po-Shih Chiang (Graduate Institute of Astronomy

arxiv:1712.08727 v1 · 2017-12-23 · astro-ph.SR · 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{N4IOA6BKN7YW6ZUWDSOOP62TZL}

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	2026-05-18T00:25:15.554228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f10e0782a6ff16f66961c9ce7fb53cae37cf4c54b148cc5bb5f49236a07dfee

Aliases

arxiv: 1712.08727 · arxiv_version: 1712.08727v1 · doi: 10.48550/arxiv.1712.08727 · pith_short_12: N4IOA6BKN7YW · pith_short_16: N4IOA6BKN7YW6ZUW · pith_short_8: N4IOA6BK

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/N4IOA6BKN7YW6ZUWDSOOP62TZL \
  | 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: 6f10e0782a6ff16f66961c9ce7fb53cae37cf4c54b148cc5bb5f49236a07dfee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfee3bfa638f24331fb83aa21b5ddfa4a63dda0abc3f8b2be3b8bbec8f065ec3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-23T07:37:29Z",
    "title_canon_sha256": "e78051e7caef07ac0b8fc03c5b558cff01311707953b3c9e2fc5f5b8049c75e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08727",
    "kind": "arxiv",
    "version": 1
  }
}