Pith Number

pith:YHK5BKNC

pith:2014:YHK5BKNCZAQX3TKAHSFWCAIJCW

not attested not anchored not stored refs pending

Elemental Compositions of Two Extrasolar Rocky Planetesimals

B. Klein (1), B. Zuckerman (1) ((1) UCLA (2) University of Kiel), D. Koester (2), M. Jura (1), S. Xu (1)

arxiv:1401.4252 v1 · 2014-01-17 · 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{YHK5BKNCZAQX3TKAHSFWCAIJCW}

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	2026-05-18T01:45:19.758789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1d5d0a9a2c8217dcd403c8b61010915970f23a9adffc30e14d4879d6c93dd5b

Aliases

arxiv: 1401.4252 · arxiv_version: 1401.4252v1 · doi: 10.48550/arxiv.1401.4252 · pith_short_12: YHK5BKNCZAQX · pith_short_16: YHK5BKNCZAQX3TKA · pith_short_8: YHK5BKNC

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/YHK5BKNCZAQX3TKAHSFWCAIJCW \
  | 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: c1d5d0a9a2c8217dcd403c8b61010915970f23a9adffc30e14d4879d6c93dd5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd8aebc4e2e9faabd43a0bb23f14da05a283a517832841cb080094e72034c889",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-01-17T06:49:14Z",
    "title_canon_sha256": "7dd38273d650d199a577d19530ac611089be43c9e85f5c9d5e7c8341fdf6bb02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4252",
    "kind": "arxiv",
    "version": 1
  }
}