Pith Number

pith:4HEAQPG6

pith:2018:4HEAQPG65HL4544NQWF5OGMT65

not attested not anchored not stored refs pending

Fine-grained Material Associated with a Large Sulfide returned from Comet 81P/Wild 2

Amanda J. White, Andrew J. Westphal, Anna L. Butterworth, Christine E. Jilly-Rehak, Dave Joswiak, Denton S. Ebel, Donald E. Brownlee, Gary R. Huss, Hans A. Bechtel, Michael E. Zolensky, Ryan C. Ogliore, Scott A. Sandford, Zack Gainsforth

arxiv:1807.00063 v1 · 2018-06-29 · 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{4HEAQPG65HL4544NQWF5OGMT65}

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	2026-05-17T23:50:38.581815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c8083cdee9d7cef38d858bd71993f746cbc7b0d553ae2fd55c78be86e74b1e

Aliases

arxiv: 1807.00063 · arxiv_version: 1807.00063v1 · doi: 10.48550/arxiv.1807.00063 · pith_short_12: 4HEAQPG65HL4 · pith_short_16: 4HEAQPG65HL4544N · pith_short_8: 4HEAQPG6

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/4HEAQPG65HL4544NQWF5OGMT65 \
  | 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: e1c8083cdee9d7cef38d858bd71993f746cbc7b0d553ae2fd55c78be86e74b1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f8c2822efed3bd81447f7eefc87766d111099815a5c0815829e04798b10c9fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-06-29T20:38:40Z",
    "title_canon_sha256": "cbd59f9e65f516161d456eec10da3745bbeda77751ee749238b1e616d5b45f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00063",
    "kind": "arxiv",
    "version": 1
  }
}