Pith Number

pith:7Y6SZTD5

pith:2023:7Y6SZTD52LUO5GS3TFNFWNMROF

not attested not anchored not stored refs pending

GalCEM I -- An Open-Source Detailed Isotopic Chemical Evolution Code

Aleksei G. Sorokin, Anthony Ruth, Eda Gjergo, Emanuele Spitoni, Francesca Matteucci, Jinning Liang, Marco Limongi, Motohiko Kusakabe, Toshitaka Kajino, Xilong Fan, Yuta Yamazaki

arxiv:2301.02257 v1 · 2023-01-05 · 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{7Y6SZTD52LUO5GS3TFNFWNMROF}

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	2026-07-05T05:39:29.562097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe3d2ccc7dd2e8ee9a5b995a5b3591717f715abe973685b19294ed23aa9805fb

Aliases

arxiv: 2301.02257 · arxiv_version: 2301.02257v1 · doi: 10.48550/arxiv.2301.02257 · pith_short_12: 7Y6SZTD52LUO · pith_short_16: 7Y6SZTD52LUO5GS3 · pith_short_8: 7Y6SZTD5

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/7Y6SZTD52LUO5GS3TFNFWNMROF \
  | 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: fe3d2ccc7dd2e8ee9a5b995a5b3591717f715abe973685b19294ed23aa9805fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "960884b9ffa1ede87182a34c3dbbf72ce9677d157bb285497afa390899504277",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-05T19:00:03Z",
    "title_canon_sha256": "0b0ca7e1deb72616045004c00c7f63cf285e00b662e2d56a888d1a3b1fe5c938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.02257",
    "kind": "arxiv",
    "version": 1
  }
}