Pith Number

pith:XGCTYOJN

pith:2018:XGCTYOJNG7JEA7DNOQ3SKQ2FGB

not attested not anchored not stored refs pending

Finding Long Lost Lexell's Comet: The Fate of the First Discovered Near-Earth Object

Man-To Hui, Paul A. Wiegert, Quan-Zhi Ye

arxiv:1802.08904 v2 · 2018-02-24 · 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{XGCTYOJNG7JEA7DNOQ3SKQ2FGB}

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	2026-05-18T00:19:20.748570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9853c392d37d2407c6d74372543453074e8cc394bb92d690bbab8f7c1e3c847

Aliases

arxiv: 1802.08904 · arxiv_version: 1802.08904v2 · doi: 10.48550/arxiv.1802.08904 · pith_short_12: XGCTYOJNG7JE · pith_short_16: XGCTYOJNG7JEA7DN · pith_short_8: XGCTYOJN

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/XGCTYOJNG7JEA7DNOQ3SKQ2FGB \
  | 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: b9853c392d37d2407c6d74372543453074e8cc394bb92d690bbab8f7c1e3c847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "076db53403aa9e2d7f3c48113f2cd4919ac191c0f903d251cf94e0fdfa0e0147",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-24T19:54:19Z",
    "title_canon_sha256": "85d0be4215712aa2ea205a2b4788052479ba27b2ccafdd4e23475bb3f51153ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08904",
    "kind": "arxiv",
    "version": 2
  }
}