Pith Number

pith:4QMM7JTL

pith:2018:4QMM7JTLIZCJTR4ZUECM2WEOYF

not attested not anchored not stored refs pending

Time-dependent atomic diffusion in the atmospheres of CP stars. A big step forward: introducing numerical models including a stellar mass loss

G. Alecian, M. J. Stift

arxiv:1811.02267 v1 · 2018-11-06 · 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{4QMM7JTLIZCJTR4ZUECM2WEOYF}

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	2026-05-17T23:59:48.621906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e418cfa66b464499c799a104cd588ec14da1ade3379d7b61cfc30d4345121b47

Aliases

arxiv: 1811.02267 · arxiv_version: 1811.02267v1 · doi: 10.48550/arxiv.1811.02267 · pith_short_12: 4QMM7JTLIZCJ · pith_short_16: 4QMM7JTLIZCJTR4Z · pith_short_8: 4QMM7JTL

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/4QMM7JTLIZCJTR4ZUECM2WEOYF \
  | 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: e418cfa66b464499c799a104cd588ec14da1ade3379d7b61cfc30d4345121b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f029283977fb3c602bd70cc458f416771a89b5c7622038b0ebf0d78fb8299a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-06T10:13:36Z",
    "title_canon_sha256": "99aafc5aaca862ce9531c99a3ec6cd086a085eb7647aa68448e3cde9fbda3ccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02267",
    "kind": "arxiv",
    "version": 1
  }
}