Pith Number

pith:2PTZTXNU

pith:2015:2PTZTXNUZ4SSMEZQPUIOM5S2I3

not attested not anchored not stored refs pending

Spacing of Kepler Planets: Sculpting by Dynamical Instability

Bonan Pu, Yanqin Wu (Toronto)

arxiv:1502.05449 v4 · 2015-02-19 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PTZTXNUZ4SSMEZQPUIOM5S2I3}

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.

Cited by

2 papers in Pith

CHEOPS observations of V1298 Tau: updated planetary densities and implications on the early evolution of the young system

CARMApy: An Open-Source Python Framework for Simulating Microphysical Clouds in Planetary Atmospheres

Receipt and verification

First computed	2026-05-18T02:17:23.992132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e799ddb4cf252613307d10e6765a46cdc8e151c72ec567e309c9b87661d627

Aliases

arxiv: 1502.05449 · arxiv_version: 1502.05449v4 · doi: 10.48550/arxiv.1502.05449 · pith_short_12: 2PTZTXNUZ4SS · pith_short_16: 2PTZTXNUZ4SSMEZQ · pith_short_8: 2PTZTXNU

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/2PTZTXNUZ4SSMEZQPUIOM5S2I3 \
  | 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: d3e799ddb4cf252613307d10e6765a46cdc8e151c72ec567e309c9b87661d627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2746f5a88b60eb6ad66ec2b6bbe3045dee88ac109a56cd4158d2651c08403b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-19T00:27:26Z",
    "title_canon_sha256": "e6204688b3794fcf0f6ac45258178635fe946f5a975663ba8b4d48c9d6a0e3f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05449",
    "kind": "arxiv",
    "version": 4
  }
}