Pith Number

pith:S5FQQ7C5

pith:2013:S5FQQ7C5WHHRFJY6QGF6AVZSSW

not attested not anchored not stored refs pending

Radar Observations of the 2011 October Draconid Outburst

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

arxiv:1304.7841 v2 · 2013-04-30 · 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{S5FQQ7C5WHHRFJY6QGF6AVZSSW}

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	2026-05-18T01:50:14.299704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974b087c5db1cf12a71e818be0573295a8526d250d45eaa9ccd131a23e096d6a

Aliases

arxiv: 1304.7841 · arxiv_version: 1304.7841v2 · doi: 10.48550/arxiv.1304.7841 · pith_short_12: S5FQQ7C5WHHR · pith_short_16: S5FQQ7C5WHHRFJY6 · pith_short_8: S5FQQ7C5

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/S5FQQ7C5WHHRFJY6QGF6AVZSSW \
  | 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: 974b087c5db1cf12a71e818be0573295a8526d250d45eaa9ccd131a23e096d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da48eb22970ac9f6078baf83a61b723d7ac0ea443ef610771d7cddae14b9fd5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-04-30T03:08:11Z",
    "title_canon_sha256": "283b85acfe440ce46458575995f028c687a4710ce905db5b72ff322194e63d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7841",
    "kind": "arxiv",
    "version": 2
  }
}