Pith Number

pith:NLSM4MM5

pith:2009:NLSM4MM5NL436EDMNTR53QVCAN

not attested not anchored not stored refs pending

Chemistry of atmospheres formed during accretion of the Earth and other terrestrial planets

B. Fegley Jr., L. Schaefer

arxiv:0909.4050 v1 · 2009-09-22 · 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{NLSM4MM5NL436EDMNTR53QVCAN}

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	2026-05-18T02:11:45.222241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae4ce319d6af9bf106c6ce3ddc2a2035738e3481da9a58e587586308e544933

Aliases

arxiv: 0909.4050 · arxiv_version: 0909.4050v1 · doi: 10.48550/arxiv.0909.4050 · pith_short_12: NLSM4MM5NL43 · pith_short_16: NLSM4MM5NL436EDM · pith_short_8: NLSM4MM5

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/NLSM4MM5NL436EDMNTR53QVCAN \
  | 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: 6ae4ce319d6af9bf106c6ce3ddc2a2035738e3481da9a58e587586308e544933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f59495ac2154b9a166f399fb11ed51d8a8df59dad24c5a6f94e980e8256187",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-09-22T17:29:27Z",
    "title_canon_sha256": "170b4a21fc8a08aef10c2285249c79120237e48c2e03064540e064c8f2bd15e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4050",
    "kind": "arxiv",
    "version": 1
  }
}