Pith Number

pith:2G7CIGIG

pith:2005:2G7CIGIGMLVN3E2XKJIVD5YM4R

not attested not anchored not stored refs pending

Presolar grains from meteorites: Remnants from the early times of the solar system

Katharina Lodders, Sachiko Amari

arxiv:astro-ph/0501430 v2 · 2005-01-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G7CIGIGMLVN3E2XKJIVD5YM4R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:40:34.543539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1be24190662eadd9357525151f70ce458f9dcbd2ca6e627ff7649d4e6740a72

Aliases

arxiv: astro-ph/0501430 · arxiv_version: astro-ph/0501430v2 · doi: 10.48550/arxiv.astro-ph/0501430 · pith_short_12: 2G7CIGIGMLVN · pith_short_16: 2G7CIGIGMLVN3E2X · pith_short_8: 2G7CIGIG

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/2G7CIGIGMLVN3E2XKJIVD5YM4R \
  | 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: d1be24190662eadd9357525151f70ce458f9dcbd2ca6e627ff7649d4e6740a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b665b72164f5dd5750ea328a41ab557f125ffb1510e71232a5354f991e37858f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-20T14:45:55Z",
    "title_canon_sha256": "a4d7de05ebcf69bbdf19607042c9ed5a4eb6fa82a5c67b34a5331c73fcb82ccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501430",
    "kind": "arxiv",
    "version": 2
  }
}