Pith Number

pith:MCZDXJPC

pith:2018:MCZDXJPCXG5NL7BKZJL3M6G7ZX

not attested not anchored not stored refs pending

K2 reveals pulsed accretion driven by the 2 Myr old hot Jupiter CI Tau b

Brian A. Skiff, Christopher M. Johns-Krull, Joe Llama, Lauren I. Biddle, Lisa Prato

arxiv:1801.06234 v1 · 2018-01-18 · 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{MCZDXJPCXG5NL7BKZJL3M6G7ZX}

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	2026-05-18T00:22:54.806256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60b23ba5e2b9bad5fc2aca57b678dfcdc820a7ef1789bb2139154913f971845e

Aliases

arxiv: 1801.06234 · arxiv_version: 1801.06234v1 · doi: 10.48550/arxiv.1801.06234 · pith_short_12: MCZDXJPCXG5N · pith_short_16: MCZDXJPCXG5NL7BK · pith_short_8: MCZDXJPC

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/MCZDXJPCXG5NL7BKZJL3M6G7ZX \
  | 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: 60b23ba5e2b9bad5fc2aca57b678dfcdc820a7ef1789bb2139154913f971845e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a75e122d9a69b800eb064fc7fdc97c4633e633440e0738c1b3e4ccd716ef58d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-18T20:49:06Z",
    "title_canon_sha256": "a0e3f8c6f6cad280030e53dd87d80d37bdc7e0d2b3634cdcd41e4ce9f5fc9574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06234",
    "kind": "arxiv",
    "version": 1
  }
}