Pith Number

pith:3A2PUT4V

pith:2014:3A2PUT4V6FUTFJBQNIEETB4Z4Z

not attested not anchored not stored refs pending

An Oort cloud origin of the Halley-type comets

J.-H. Wang, R. Brasser

arxiv:1402.2027 v1 · 2014-02-10 · 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{3A2PUT4V6FUTFJBQNIEETB4Z4Z}

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	2026-05-18T01:44:46.047014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d834fa4f95f16932a4306a08498799e64224fd361a204bcf83c4887b470d4a9f

Aliases

arxiv: 1402.2027 · arxiv_version: 1402.2027v1 · doi: 10.48550/arxiv.1402.2027 · pith_short_12: 3A2PUT4V6FUT · pith_short_16: 3A2PUT4V6FUTFJBQ · pith_short_8: 3A2PUT4V

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/3A2PUT4V6FUTFJBQNIEETB4Z4Z \
  | 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: d834fa4f95f16932a4306a08498799e64224fd361a204bcf83c4887b470d4a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "923ee69d295dfc13dcc019dd3b0f2fa6114f621a5c7f8c5d84a7d24ef8bde169",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-02-10T03:42:05Z",
    "title_canon_sha256": "dff331ee92cd818e58d3d54ee43c2bde1e7c9ba42b411717b3b76ef4c9b707cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2027",
    "kind": "arxiv",
    "version": 1
  }
}