Pith Number

pith:HDPIGLXN

pith:2025:HDPIGLXN63HZZNSYVU4I5IYNBS

not attested not anchored not stored refs pending

Secular brightness curves of 272 comets

(2) Laboratoire de G\'eologie de Lyon: Terre, (3) Institute of Astronomy, (4) Dep. Science, (5) INAF - Osservatorio Astronomico di Roma, (6) The University of Edinburgh, 7), (7) Instituto Pedro Nunes), A. Guilbert-Lepoutre (2), Bulgarian Academy of Sciences, CNRS, C. Snodgrass (6) ((1) Instituto de Astrof\'isica e Ci\^encias do Espa\c{c}o, E. Mazzotta Epifani (5), EnsL, Environnement, L. Inno (4), National Astronomical Observatory, Parthenope University of Naples, P. Lacerda (1, Plan\`etes, R . Kokotanekova (3), Technology, UCBL, Universidade de Coimbra

arxiv:2504.00565 v1 · 2025-04-01 · 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{HDPIGLXN63HZZNSYVU4I5IYNBS}

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

Down But Not Out: The Case of Long-Period Comet C/2021 O3 (Panstarrs)

Receipt and verification

First computed	2026-07-05T11:06:12.051470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38de832eedf6cf9cb658ad388ea30d0ca128b3a438e235467cc2c2e82b58632f

Aliases

arxiv: 2504.00565 · arxiv_version: 2504.00565v1 · doi: 10.48550/arxiv.2504.00565 · pith_short_12: HDPIGLXN63HZ · pith_short_16: HDPIGLXN63HZZNSY · pith_short_8: HDPIGLXN

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/HDPIGLXN63HZZNSYVU4I5IYNBS \
  | 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: 38de832eedf6cf9cb658ad388ea30d0ca128b3a438e235467cc2c2e82b58632f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21eb76e469d36cccab69224d919a10a0026c33dbd358e76b71ebe88e789d9cc9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-04-01T09:22:44Z",
    "title_canon_sha256": "70770559d518a87f0f3cac5869a7d5ad4a59d989bc9f782f56d91e14b2464d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.00565",
    "kind": "arxiv",
    "version": 1
  }
}