Pith Number

pith:DDQKI2HV

pith:2020:DDQKI2HVD4D3NYGT4PSKFSXAZL

not attested not anchored not stored refs pending

Cluster analysis of presolar silicon carbide grains: evaluation of their classification and astrophysical implications

Ahmed Eleish, Anirudh Prabhu, Asmaa Boujibar, Grethe Hystad, Larry R. Nittler, Nan Liu, Robert M. Hazen, Samantha Howell, Shaunna M. Morrison, Shuang Zhang, Shweta Narkar, Thomas Stephan

arxiv:2012.04009 v1 · 2020-12-07 · astro-ph.SR · astro-ph.EP · astro-ph.GA · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDQKI2HVD4D3NYGT4PSKFSXAZL}

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	2026-07-05T02:13:56.806286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e0a468f51f07b6e0d3e3e4a2cae0cad345383a7f4e5720562381c5d0146a52

Aliases

arxiv: 2012.04009 · arxiv_version: 2012.04009v1 · doi: 10.48550/arxiv.2012.04009 · pith_short_12: DDQKI2HVD4D3 · pith_short_16: DDQKI2HVD4D3NYGT · pith_short_8: DDQKI2HV

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/DDQKI2HVD4D3NYGT4PSKFSXAZL \
  | 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: 18e0a468f51f07b6e0d3e3e4a2cae0cad345383a7f4e5720562381c5d0146a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d11238428783c204c92e91262a3b78aabdfacc640e632e9b02ab6019011af44",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-12-07T19:24:31Z",
    "title_canon_sha256": "38b9b543339f8c7e3a04892e8d8f9a598f8588d55a0cb329ce0e192a3f9bf7d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04009",
    "kind": "arxiv",
    "version": 1
  }
}