Pith Number

pith:JK2P3HZP

pith:2019:JK2P3HZPBNSYUFZBHQXONOFDB2

not attested not anchored not stored refs pending

Compositional Constraints for Lucy Mission Trojan Asteroids via Near-Infrared Spectroscopy

Benjamin N. L. Sharkey, Joshua P. Emery, Juan A. Sanchez, Matthew R. M. Izawa, Vishnu Reddy

arxiv:1909.11829 v1 · 2019-09-26 · 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{JK2P3HZPBNSYUFZBHQXONOFDB2}

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	2026-07-05T00:15:24.230729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab4fd9f2f0b658a17213c2ee6b8a30e9b5254b83070e4946f997ca61b86192b

Aliases

arxiv: 1909.11829 · arxiv_version: 1909.11829v1 · doi: 10.48550/arxiv.1909.11829 · pith_short_12: JK2P3HZPBNSY · pith_short_16: JK2P3HZPBNSYUFZB · pith_short_8: JK2P3HZP

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/JK2P3HZPBNSYUFZBHQXONOFDB2 \
  | 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: 4ab4fd9f2f0b658a17213c2ee6b8a30e9b5254b83070e4946f997ca61b86192b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4882b0a8166549e28b3d6bee7c47da4e33375367194cef7f47749cfb791bef3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-26T00:40:50Z",
    "title_canon_sha256": "ae32211163ca13a34882d763ea28e330383bd5412005eb26a2cb632772246317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11829",
    "kind": "arxiv",
    "version": 1
  }
}