Pith Number

pith:CNDTNLJD

pith:2018:CNDTNLJDZGDSU2KH74G4SWSKLF

not attested not anchored not stored refs pending

Bi-lobed Shape of Comet 67P from a Collapsed Binary

David Nesvorny, David Vokrouhlicky, Joel Parker

arxiv:1804.08735 v1 · 2018-04-23 · 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{CNDTNLJDZGDSU2KH74G4SWSKLF}

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	2026-05-18T00:14:07.698066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

134736ad23c9872a6947ff0dc95a4a5949e88bf3a6f1755420b245f4a0a4fea2

Aliases

arxiv: 1804.08735 · arxiv_version: 1804.08735v1 · doi: 10.48550/arxiv.1804.08735 · pith_short_12: CNDTNLJDZGDS · pith_short_16: CNDTNLJDZGDSU2KH · pith_short_8: CNDTNLJD

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/CNDTNLJDZGDSU2KH74G4SWSKLF \
  | 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: 134736ad23c9872a6947ff0dc95a4a5949e88bf3a6f1755420b245f4a0a4fea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10104d48300b06d999903cb0beebbd94f261ae003a542a97131371921d269521",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-23T21:03:47Z",
    "title_canon_sha256": "1dec91ae709245b70c4a1b5a6e6a0fa6d83b1739683ec5c60cf00f49cbfa93e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08735",
    "kind": "arxiv",
    "version": 1
  }
}