Pith Number

pith:2IWDXFRH

pith:2007:2IWDXFRHF3KCXIBD5OGZWCXG7A

not attested not anchored not stored refs pending

The Dust Trail of Comet 67P/Churyumov-Gerasimenko

David J. Lien, Michael S. Kelley, William T. Reach

arxiv:0709.0877 v1 · 2007-09-06 · 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{2IWDXFRHF3KCXIBD5OGZWCXG7A}

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.

Cited by

1 paper in Pith

Dust colour, phase behaviour, and Monte Carlo modelling of interstellar comet 3I/ATLAS from 4 au pre- to 4 au post-perihelion

Receipt and verification

First computed	2026-07-04T17:05:34.939306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22c3b96272ed42ba023eb8d9b0ae6f806ed9f234890aa92865e194c33468ced

Aliases

arxiv: 0709.0877 · arxiv_version: 0709.0877v1 · doi: 10.48550/arxiv.0709.0877 · pith_short_12: 2IWDXFRHF3KC · pith_short_16: 2IWDXFRHF3KCXIBD · pith_short_8: 2IWDXFRH

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/2IWDXFRHF3KCXIBD5OGZWCXG7A \
  | 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: d22c3b96272ed42ba023eb8d9b0ae6f806ed9f234890aa92865e194c33468ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe98203a88250c375bd5dc993f3969ee57864d6b7174ab488cbf851a08a8c78",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-06T14:44:26Z",
    "title_canon_sha256": "6d6470e2dc2d1c4f9f144785e0050cd231b6c5de25b705c1c295a0b8701204c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0877",
    "kind": "arxiv",
    "version": 1
  }
}