Pith Number

pith:J3BD6KMI

pith:2025:J3BD6KMIEDADVD5ZX5M3OBQUEY

not attested not anchored not stored refs pending

The Ongoing Decline in Activity of Comet 103P/Hartley 2

Alain Cagna, Alexis Giacomoni, Anis Ben Lassoued, Anouchka Nardi, Antoine Ngo, Ariel Graykowski, Arnaud Leroy, Baptiste Montoya, Bernard Baudouin, Bernard Tregon, Bruno Guillet, C\'edric Latg\'e, Chelsey Logan, Christian Sartini, Christian Voirol, Christophe Cac, Christophe Cot\'e, Chuck Goodman, Claude Porchel, Corine Yahia, Cyrille Bosquet, Darren Rivett, David Chiron, David Gineste, David Havell, Denis Nicolas, Didier Lefoulon, Elisabeth Maris, Eric Chariot, Eric Miny, Etienne Bertrand, Fabien Richardot, Fabrice Mortecrette, Fadi Saibi, Florent Fr\'emont, Franck Marchis, Frank Tyrlik, George Patatoukas, Georges Simard, G\'erard Arlic, Gerard-Philippe Grandjean, Giuseppe Di Tommaso, Guillaume Langin, Hiromichi Sasaki, Ian Transom, Isabelle Brocard, Jacqueline Payet-Ayrault, Jean-Charles Le Tarnec, Jean Claude Gomez, Jean-Marie Laugier, Jean-Michel Ladruze, Jean-Paul Desgrees, Jean-Pierre Masini, J\'er\^ome Gaudilliere, John K. Bradley, Jos\'e Donas, Josselin Desmars, Julien Collot, Kachi Iwai, Kanai Potts, Keiichi Fukui, Laurent Millart, Laurent Vadrot, Liouba Leroux, Lucas Cogniaux, Lucas Sifoni, Marc-Etienne Julien, Martial Relier, Masao Shimizu, Matthew Ryno, Matthieu Lauvernier, Michel Deconinck, Michel Quienen, Michel Veuillet, Mike Mitchell, Neil Yoblonsky, Nicola Meneghelli, Nicolas Biver, Nicolas Castel, Niniane Leroux, Olivier Clerget, Pascal Gaudin, Patrice Girard, Patrice Le Guen, Patrick Huth, Patrick Picard, Paul Garde, Petri Kuossari, Petri Tikkanen, Philippe Guiglion, Philippe Seibert, Phil Yehle, Rachel Knight, Randall Blake, Raphael Nicollerat, Ryuichi Kukita, Sophie Saibi, Stefan Will, Takaya Okada, Todd Forrester, Tom Coarrase, Wai-Chun Yue, Wataru Ono, William Drapeaud, Yohann Lorand

arxiv:2508.20215 v1 · 2025-08-27 · 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{J3BD6KMIEDADVD5ZX5M3OBQUEY}

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	2026-07-05T12:00:31.929672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ec23f298820c03a8fb9bf59b706142628f526e0af5e3c0ee065f0ee64c62735

Aliases

arxiv: 2508.20215 · arxiv_version: 2508.20215v1 · doi: 10.48550/arxiv.2508.20215 · pith_short_12: J3BD6KMIEDAD · pith_short_16: J3BD6KMIEDADVD5Z · pith_short_8: J3BD6KMI

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/J3BD6KMIEDADVD5ZX5M3OBQUEY \
  | 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: 4ec23f298820c03a8fb9bf59b706142628f526e0af5e3c0ee065f0ee64c62735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a50a9e92ec08885abf1e06943c40ac02d489fd357f8d81f63b0835a78e67f6e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-08-27T18:43:43Z",
    "title_canon_sha256": "62772494e99bd9ac203949a30d5d2ced12a139fd0e9f7e81429425aca1678a22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20215",
    "kind": "arxiv",
    "version": 1
  }
}