Pith Number

pith:MPHWA6HO

pith:2018:MPHWA6HOI3GMKIVHUTJEDRKOTI

not attested not anchored not stored refs pending

2D chemical evolution model: the impact of galactic disc asymmetries on azimuthal chemical abundance variations

C. Chiappini, E. Spitoni, F. Matteucci, G. Bono, G. Cescutti, I. Minchev, M. Martig, V. Silva Aguirre

arxiv:1811.11196 v3 · 2018-11-27 · 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{MPHWA6HOI3GMKIVHUTJEDRKOTI}

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	2026-07-04T23:51:58.095263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63cf6078ee46ccc522a7a4d241c54e9a2f36537514f3c6875194985b5b6f4ac5

Aliases

arxiv: 1811.11196 · arxiv_version: 1811.11196v3 · doi: 10.48550/arxiv.1811.11196 · pith_short_12: MPHWA6HOI3GM · pith_short_16: MPHWA6HOI3GMKIVH · pith_short_8: MPHWA6HO

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/MPHWA6HOI3GMKIVHUTJEDRKOTI \
  | 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: 63cf6078ee46ccc522a7a4d241c54e9a2f36537514f3c6875194985b5b6f4ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00dd1e1fe97572dfb75e85572501e9555a4cdc71cbf07a49a7c6c48cd725c611",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-27T19:01:19Z",
    "title_canon_sha256": "a6a1e8420aef5d157495b429ec3c060896e5cf0a4897ab301a68e04cd0217a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11196",
    "kind": "arxiv",
    "version": 3
  }
}