Pith Number

pith:LCPUWK7H

pith:2018:LCPUWK7H4TJCLFVBVODCT2FXTV

not attested not anchored not stored refs pending

Adding a Suite of Chemical Abundances to the MACER Code for the Evolution of Massive Elliptical Galaxies

Ena Choi, Jeremiah P. Ostriker, Luca Ciotti, Silvia Pellegrini, Zhaoming Gan

arxiv:1812.10130 v2 · 2018-12-25 · 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{LCPUWK7H4TJCLFVBVODCT2FXTV}

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	2026-05-17T23:47:17.691111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

589f4b2be7e4d22596a1ab8629e8b79d7250f2e792f8431bfbb57fe02efa5cce

Aliases

arxiv: 1812.10130 · arxiv_version: 1812.10130v2 · doi: 10.48550/arxiv.1812.10130 · pith_short_12: LCPUWK7H4TJC · pith_short_16: LCPUWK7H4TJCLFVB · pith_short_8: LCPUWK7H

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/LCPUWK7H4TJCLFVBVODCT2FXTV \
  | 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: 589f4b2be7e4d22596a1ab8629e8b79d7250f2e792f8431bfbb57fe02efa5cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "112c97a478a27c906ea66f04ff820b387cbd5e338971691d13e48a2b061ab80f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-25T16:22:56Z",
    "title_canon_sha256": "1f7383407d9ecabf0161869f74cee1b08b0e99da5909b104a1628d0ef56f5ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10130",
    "kind": "arxiv",
    "version": 2
  }
}