Pith Number

pith:I5MCMCHO

pith:1999:I5MCMCHOVFN6J7MTFLWH6CQZYW

not attested not anchored not stored refs pending

Aspects of the Mass Distribution of Interstellar Dust Grains in the Solar System from In-Situ Measurements

E. Gr\"un, G. Linkert, H. Kr\"uger, M. Landgraf, W. J. Baggaley

arxiv:astro-ph/9908117 v1 · 1999-08-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5MCMCHOVFN6J7MTFLWH6CQZYW}

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	2026-05-18T01:40:12.835306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47582608eea95be4fd932aec7f0a19c58a46039f38c992b46b3958415c3c5f4a

Aliases

arxiv: astro-ph/9908117 · arxiv_version: astro-ph/9908117v1 · doi: 10.48550/arxiv.astro-ph/9908117 · pith_short_12: I5MCMCHOVFN6 · pith_short_16: I5MCMCHOVFN6J7MT · pith_short_8: I5MCMCHO

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/I5MCMCHOVFN6J7MTFLWH6CQZYW \
  | 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: 47582608eea95be4fd932aec7f0a19c58a46039f38c992b46b3958415c3c5f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a04a2903aeaf9b54fd891fedc57d6a08f6fdeacef1bb55251f8338bb3fe69a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-10T21:13:20Z",
    "title_canon_sha256": "f0b2e8ee8a1f2be7e900c9761e49fc504cb8f84fee7ead3930db9583f55c96f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908117",
    "kind": "arxiv",
    "version": 1
  }
}