Pith Number

pith:E3I6YXZA

pith:2018:E3I6YXZA2KZTR2N2KCQBN4YXFI

not attested not anchored not stored refs pending

Cosmic History and a Candidate Parent Asteroid for the Quasicrystal-bearing Meteorite Khatyrka

April I. Neander, Colin Maden, Heinrich Baur, Henner Busemann, Luca Bindi, Matthias M.M. Meier, My E. I. Riebe, Nicole H. Spring, Paul J. Steinhardt, Philipp R. Heck, Rainer Wieler

arxiv:1803.03513 v1 · 2018-03-09 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3I6YXZA2KZTR2N2KCQBN4YXFI}

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	2026-05-18T00:20:21.663799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d1ec5f20d2b338e9ba50a016f3172a121f14cdde43945399141097cd7cc018

Aliases

arxiv: 1803.03513 · arxiv_version: 1803.03513v1 · doi: 10.48550/arxiv.1803.03513 · pith_short_12: E3I6YXZA2KZT · pith_short_16: E3I6YXZA2KZTR2N2 · pith_short_8: E3I6YXZA

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/E3I6YXZA2KZTR2N2KCQBN4YXFI \
  | 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: 26d1ec5f20d2b338e9ba50a016f3172a121f14cdde43945399141097cd7cc018

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a910c54541889c52e0a579affdbddd889c32c5d35c96cab3d28ce8188c7aba2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-09T13:58:15Z",
    "title_canon_sha256": "cb97a9e7ab5017c09ea56fff7d120d797e9b6746038e64661ca39bafc7f8974f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03513",
    "kind": "arxiv",
    "version": 1
  }
}