Pith Number

pith:KUP6WBY6

pith:2024:KUP6WBY6QPR6SQVFG2HKFFKZQH

not attested not anchored not stored refs pending

A forward-modelling approach to overcome PSF smearing and fit flexible models to the chemical structure of galaxies

Benjamin Metha, Michele Trenti, Simon Birrer, Tommaso Treu, Xin Wang, Xuheng Ding

arxiv:2403.08175 v1 · 2024-03-13 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUP6WBY6QPR6SQVFG2HKFFKZQH}

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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	2026-07-05T07:55:35.143452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

551feb071e83e3e942a5368ea2955981c08e42317aa7ffdc0642cce7147456da

Aliases

arxiv: 2403.08175 · arxiv_version: 2403.08175v1 · doi: 10.48550/arxiv.2403.08175 · pith_short_12: KUP6WBY6QPR6 · pith_short_16: KUP6WBY6QPR6SQVF · pith_short_8: KUP6WBY6

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/KUP6WBY6QPR6SQVFG2HKFFKZQH \
  | 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: 551feb071e83e3e942a5368ea2955981c08e42317aa7ffdc0642cce7147456da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9ea06b23bc8921d48b26900d8074082f6a4c540569d2cbdd0acb3637bff3492",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-03-13T01:57:44Z",
    "title_canon_sha256": "64dd4d504d66add8c5c2c93b441b125722c4d95a250cad71736c98444cdf63d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.08175",
    "kind": "arxiv",
    "version": 1
  }
}