Pith Number

pith:IUWV4BBL

pith:2007:IUWV4BBL3C3AKAV63F2XVK2KDU

not attested not anchored not stored refs pending

Dynamical modeling of the Deep Impact dust ejecta cloud

Chris Sterken, Emanuela Pompei, Emmanuel Jehin, Eric Pantin, Fernando Selman, Florian Kerber, Gaspare LoCurto, Gian Paolo Tozzi, Hans-Ullrich K\"aufl, Heike Rauer, Hermann B\"ohnhardt, Ivo Saviane, Jean Manfroid, Luis Barrera, Michael Weiler, Nancy Ageorges, Olivier Hainaut, Olivier Marco, Stefano Bagnulo, Tanyu Bonev

arxiv:astro-ph/0703554 v1 · 2007-03-21 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUWV4BBL3C3AKAV63F2XVK2KDU}

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	2026-05-18T01:09:21.629692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

452d5e042bd8b60502bed9757aab4a1d03055099649937bdbedef8814c4a4848

Aliases

arxiv: astro-ph/0703554 · arxiv_version: astro-ph/0703554v1 · doi: 10.48550/arxiv.astro-ph/0703554 · pith_short_12: IUWV4BBL3C3A · pith_short_16: IUWV4BBL3C3AKAV6 · pith_short_8: IUWV4BBL

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/IUWV4BBL3C3AKAV63F2XVK2KDU \
  | 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: 452d5e042bd8b60502bed9757aab4a1d03055099649937bdbedef8814c4a4848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd4ebef613bd42fa9a2e1d5b6237da26ae2c7ff8c17fa350f4a49d45d323c38a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-21T13:00:20Z",
    "title_canon_sha256": "1a50afad5f5311491e2b24f0b09f3a4775fb15a3c9f19d6393622675a5ee134e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703554",
    "kind": "arxiv",
    "version": 1
  }
}