Pith Number

pith:JEWAQEMH

pith:2009:JEWAQEMHSIXEJQ5JOBW5ZGTHPT

not attested not anchored not stored refs pending

Dust in brown dwarfs and extra-solar planets II. Cloud formation for cosmologically evolving abundances

Ch. Helling, P. H. Hauschildt, S. Witte

arxiv:0908.3597 v1 · 2009-08-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEWAQEMHSIXEJQ5JOBW5ZGTHPT}

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	2026-05-18T02:12:23.208134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492c081187922e44c3a9706ddc9a677ceaf0546098c980d3e41bea21a7c937c2

Aliases

arxiv: 0908.3597 · arxiv_version: 0908.3597v1 · doi: 10.48550/arxiv.0908.3597 · pith_short_12: JEWAQEMHSIXE · pith_short_16: JEWAQEMHSIXEJQ5J · pith_short_8: JEWAQEMH

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/JEWAQEMHSIXEJQ5JOBW5ZGTHPT \
  | 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: 492c081187922e44c3a9706ddc9a677ceaf0546098c980d3e41bea21a7c937c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ee2e77e7b6dbb94e7b6ea705a0c018ad9fbac1f9f055cacffdfa5d7ef85b9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-25T12:11:33Z",
    "title_canon_sha256": "55c123d7b01f1046566f7ad2a0f40d7574948f499dcec73fdc092f55c6363381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3597",
    "kind": "arxiv",
    "version": 1
  }
}