Pith Number

pith:6NTTRDPF

pith:2009:6NTTRDPF3L3MHNUTUYZGMYVUL7

not attested not anchored not stored refs pending

CoRoT-7 b: Super-Earth or Super-Io?

Brian Jackson, Nathan A. Kaib, Richard Greenberg, Rory Barnes, Sean N. Raymond

arxiv:0912.1337 v1 · 2009-12-07 · 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{6NTTRDPF3L3MHNUTUYZGMYVUL7}

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	2026-05-18T02:10:25.891710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f367388de5daf6c3b693a6326662b45fe069d00dd8456216c6464f6952e08b2d

Aliases

arxiv: 0912.1337 · arxiv_version: 0912.1337v1 · doi: 10.48550/arxiv.0912.1337 · pith_short_12: 6NTTRDPF3L3M · pith_short_16: 6NTTRDPF3L3MHNUT · pith_short_8: 6NTTRDPF

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/6NTTRDPF3L3MHNUTUYZGMYVUL7 \
  | 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: f367388de5daf6c3b693a6326662b45fe069d00dd8456216c6464f6952e08b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9566654678470e1bcb51a9cdfdd229570f6406cff700c7ee44f7d0a5f6789e8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-07T21:53:46Z",
    "title_canon_sha256": "25db9b3f785ef77ed986570c3f7128ed26f188dbdb6e15647150a9182a8596cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1337",
    "kind": "arxiv",
    "version": 1
  }
}