Pith Number

pith:YYD3EPOY

pith:2013:YYD3EPOYEL3KJBVXGIF4YWGSGC

not attested not anchored not stored refs pending

The Unexpected 2012 Draconid Meteor Storm

Margaret D. Campbell-Brown, Paul A. Wiegert, Peter G. Brown, Quanzhi Ye, Robert J. Weryk

arxiv:1311.1733 v1 · 2013-11-07 · 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{YYD3EPOYEL3KJBVXGIF4YWGSGC}

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	2026-05-18T01:46:33.217903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c607b23dd822f6a486b7320bcc58d230a695676e8fd7569c91cb9fb1e4c29b41

Aliases

arxiv: 1311.1733 · arxiv_version: 1311.1733v1 · doi: 10.48550/arxiv.1311.1733 · pith_short_12: YYD3EPOYEL3K · pith_short_16: YYD3EPOYEL3KJBVX · pith_short_8: YYD3EPOY

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/YYD3EPOYEL3KJBVXGIF4YWGSGC \
  | 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: c607b23dd822f6a486b7320bcc58d230a695676e8fd7569c91cb9fb1e4c29b41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecea06df894373f961c3aa83facfa659f010f1e19340960ff853c0c855ed789f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-11-07T16:26:34Z",
    "title_canon_sha256": "81c189c65261b9caa1a7e22c1d59492021d333721b674c91e536263ca1171784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1733",
    "kind": "arxiv",
    "version": 1
  }
}