Pith Number

pith:LOBTKV6V

pith:2015:LOBTKV6VPKHLWY2M6P3BQ3F4RJ

not attested not anchored not stored refs pending

From stellar to planetary composition: Galactic chemical evolution of Mg/Si mineralogical ratio

A. A. Hakobyan, C. Dorn, C. Mordasini, E. Delgado-Mena, G. Israelian, N. C. Santos, P. Figueira, S. G. Sousa, V. Adibekyan

arxiv:1508.04970 v1 · 2015-08-20 · astro-ph.EP · astro-ph.GA · 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{LOBTKV6VPKHLWY2M6P3BQ3F4RJ}

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	2026-05-18T01:33:41.773635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b833557d57a8ebb634cf3f6186cbc8a4dc8f9734ac288e352bfd313e98e916b

Aliases

arxiv: 1508.04970 · arxiv_version: 1508.04970v1 · doi: 10.48550/arxiv.1508.04970 · pith_short_12: LOBTKV6VPKHL · pith_short_16: LOBTKV6VPKHLWY2M · pith_short_8: LOBTKV6V

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/LOBTKV6VPKHLWY2M6P3BQ3F4RJ \
  | 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: 5b833557d57a8ebb634cf3f6186cbc8a4dc8f9734ac288e352bfd313e98e916b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "442d807c74ff34f9b48c991629a042b8ec59e97234ddb4454eeb0e437242c2d4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-08-20T12:57:51Z",
    "title_canon_sha256": "cd36b863765da2522ffc62f93a99969801693c8364829128487c52e53c286f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04970",
    "kind": "arxiv",
    "version": 1
  }
}