Pith Number

pith:HUPF6IUP

pith:2025:HUPF6IUPY3KG7UPQSBRZIMWIYV

not attested not anchored not stored refs pending

Effect of Galactic Chemical Evolution on Exoplanet Properties

Allona Vazan (Open University of Israel), Cody Shakespeare (UNLV), David Rice (Open University of Israel), Jason H. Steffen (UNLV), Robert Royer (UNLV)

arxiv:2507.10942 v1 · 2025-07-15 · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUPF6IUPY3KG7UPQSBRZIMWIYV}

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	2026-07-05T11:37:28.885686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1e5f228fc6d46fd1f090639432c8c54ae2132a402a17498a9b6d8e8f96eeb2

Aliases

arxiv: 2507.10942 · arxiv_version: 2507.10942v1 · doi: 10.48550/arxiv.2507.10942 · pith_short_12: HUPF6IUPY3KG · pith_short_16: HUPF6IUPY3KG7UPQ · pith_short_8: HUPF6IUP

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/HUPF6IUPY3KG7UPQSBRZIMWIYV \
  | 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: 3d1e5f228fc6d46fd1f090639432c8c54ae2132a402a17498a9b6d8e8f96eeb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f2f7e783743159a789ffc4d0c3e36a2a6b1544bbb8ee5db5564fe85288819bd",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-15T03:10:49Z",
    "title_canon_sha256": "d4b6062c80cd21e9d44ad348121f880cafe456363fe2fb848e2b9b9b29d81ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10942",
    "kind": "arxiv",
    "version": 1
  }
}