Pith Number

pith:EWY6ZT7N

pith:2013:EWY6ZT7NNJSDAUIPMEAWVRTERR

not attested not anchored not stored refs pending

Population of SOHO/STEREO Kreutz Sungrazers and the Arrival of Comet C/2011 W3 (Lovejoy)

Rainer Kracht, Zdenek Sekanina

arxiv:1308.3901 v3 · 2013-08-18 · 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{EWY6ZT7NNJSDAUIPMEAWVRTERR}

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	2026-05-18T01:48:14.186140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b1eccfed6a6430510f61016ac6648c548b3ea472b99be92b0eec3d96a790da

Aliases

arxiv: 1308.3901 · arxiv_version: 1308.3901v3 · doi: 10.48550/arxiv.1308.3901 · pith_short_12: EWY6ZT7NNJSD · pith_short_16: EWY6ZT7NNJSDAUIP · pith_short_8: EWY6ZT7N

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/EWY6ZT7NNJSDAUIPMEAWVRTERR \
  | 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: 25b1eccfed6a6430510f61016ac6648c548b3ea472b99be92b0eec3d96a790da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "601bc33a1b4bfb37d364ab755e92d0282953acefffe840bf6eb5052133cb3672",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-08-18T22:39:16Z",
    "title_canon_sha256": "3f19c7faf2d6a21ba044250f6751542c549223e27a38251a1b9d7deff415db90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3901",
    "kind": "arxiv",
    "version": 3
  }
}