Pith Number

pith:4C23WNT5

pith:2015:4C23WNT5C6CNCW7WEJQCLNWVBK

not attested not anchored not stored refs pending

Chang'e-2 spacecraft observations of asteroid 4179 Toutatis

Jianghui Ji, LiangLiang Yu, Su Wang, Yuhui Zhao, Yun Jiang

arxiv:1511.02131 v1 · 2015-11-06 · 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{4C23WNT5C6CNCW7WEJQCLNWVBK}

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	2026-05-18T01:19:20.315246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0b5bb367d1784d15bf6226025b6d50a8dea0d883a878313bc60a8b500c04c50

Aliases

arxiv: 1511.02131 · arxiv_version: 1511.02131v1 · doi: 10.48550/arxiv.1511.02131 · pith_short_12: 4C23WNT5C6CN · pith_short_16: 4C23WNT5C6CNCW7W · pith_short_8: 4C23WNT5

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/4C23WNT5C6CNCW7WEJQCLNWVBK \
  | 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: e0b5bb367d1784d15bf6226025b6d50a8dea0d883a878313bc60a8b500c04c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49c4f062282f86c50a77fc3bcc11dc3b47d1e572459ab09db5ae17dcf321f93f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-11-06T16:00:54Z",
    "title_canon_sha256": "0e6119b3e98792599ab7a2a5ea6135cbdf3a38ea6bba68c97863b56ccf9551a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02131",
    "kind": "arxiv",
    "version": 1
  }
}