Pith Number

pith:LFSMKHB2

pith:2018:LFSMKHB2K2CE7U2SVR5H5IR3ZN

not attested not anchored not stored refs pending

Variations of the stellar initial mass function in semi-analytical models II: the impact of Cosmic Ray regulation

Fabio Fontanot (INAF-OATs), Gabriella De Lucia (INAF-OATs), Gustavo Bruzual (CRyA-UNAM), Lizhi Xie (INAF-OATs), Michaela Hirschmann (IAP), Stephane Charlot (IAP)

arxiv:1801.02631 v1 · 2018-01-08 · 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{LFSMKHB2K2CE7U2SVR5H5IR3ZN}

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	2026-05-18T00:23:27.775573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5964c51c3a56844fd352ac7a7ea23bcb650b1eb76e17574f2485cddbf0956cbc

Aliases

arxiv: 1801.02631 · arxiv_version: 1801.02631v1 · doi: 10.48550/arxiv.1801.02631 · pith_short_12: LFSMKHB2K2CE · pith_short_16: LFSMKHB2K2CE7U2S · pith_short_8: LFSMKHB2

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/LFSMKHB2K2CE7U2SVR5H5IR3ZN \
  | 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: 5964c51c3a56844fd352ac7a7ea23bcb650b1eb76e17574f2485cddbf0956cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f595437fe1f5718c933316b7c942a423d335349fc2d21f7d4faf4f8a48be6ba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-08T19:00:08Z",
    "title_canon_sha256": "2783da4b22e993f1f3ec0b77bc1f730743bd1cdc92d717546c5e9bf056c719df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02631",
    "kind": "arxiv",
    "version": 1
  }
}