Pith Number

pith:6HBOQDZD

pith:2013:6HBOQDZDIS4LKTB5JAEDPK5BNC

not attested not anchored not stored refs pending

Kepler-77b: a very low albedo, Saturn-mass transiting planet around a metal-rich solar-like star

A. A. Djupvik, A. F. Lanza, A. Frasca, A. McQuillan, A. Ofir, A. P. Hatzes, D. Gandolfi, E. Tognelli, E. W. Guenther, H. J. Deeg, H. Parviainen, J. Cabrera, J. Jessen-Hansen, J. Telting, L. Carone, M. Fridlund, P. G. Prada Moroni, R. Alonso, S. Aigrain, Sz. Csizmadia, V. Antoci

arxiv:1305.3891 v2 · 2013-05-16 · astro-ph.EP · 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{6HBOQDZDIS4LKTB5JAEDPK5BNC}

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	2026-05-18T03:14:17.136666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096

Aliases

arxiv: 1305.3891 · arxiv_version: 1305.3891v2 · doi: 10.48550/arxiv.1305.3891 · pith_short_12: 6HBOQDZDIS4L · pith_short_16: 6HBOQDZDIS4LKTB5 · pith_short_8: 6HBOQDZD

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/6HBOQDZDIS4LKTB5JAEDPK5BNC \
  | 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: f1c2e80f2344b8b54c3d480837aba168acf59f1bdedc51f98729a90b9b00d096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c56af5a861859f00efcc3716af5bf3eed7d71fc48f2017439ab7d7651a79e23",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-05-16T19:17:57Z",
    "title_canon_sha256": "81313bf9eb6c35a9b5cfded743de7cc70ababedf43ad303e6a0e6cf3fea4936d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3891",
    "kind": "arxiv",
    "version": 2
  }
}