Pith Number

pith:DE2ZIVM6

pith:2009:DE2ZIVM6ECXOCRZG5WHTODGF7V

not attested not anchored not stored refs pending

2006 Fragmentation of Comet 73P/Schwassmann-Wachmann 3B Observed with Subaru/Suprime-Cam

Fumihiko Usui, Masateru Ishiguro, Munetaka Ueno, Yuki Sarugaku

arxiv:0904.4733 v1 · 2009-04-30 · 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{DE2ZIVM6ECXOCRZG5WHTODGF7V}

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	2026-05-18T02:13:49.023132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

193594559e20aee14726ed8f370cc5fd618a569cc86aff4fcbd152e430017419

Aliases

arxiv: 0904.4733 · arxiv_version: 0904.4733v1 · doi: 10.48550/arxiv.0904.4733 · pith_short_12: DE2ZIVM6ECXO · pith_short_16: DE2ZIVM6ECXOCRZG · pith_short_8: DE2ZIVM6

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/DE2ZIVM6ECXOCRZG5WHTODGF7V \
  | 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: 193594559e20aee14726ed8f370cc5fd618a569cc86aff4fcbd152e430017419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2150439407f31160ddd2cbed434b26e37de31a552b9812f970cf184a56d5c8de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-04-30T02:37:17Z",
    "title_canon_sha256": "d526b178f40e767d5b58a5e9bd61744b14ba7a14613928b2d70e16797b9dd364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4733",
    "kind": "arxiv",
    "version": 1
  }
}