Pith Number

pith:R5EJVC6M

pith:2005:R5EJVC6MTVK7SOII6UBRENNTBZ

not attested not anchored not stored refs pending

Dust distribution in protoplanetary disks - Vertical settling and radial migration

James R. Murray, Jean-Fran\c{c}ois Gonzalez (CRAL), Laure Barri\`ere-Fouchet (CRAL), Robin J. Humble (CITA), Sarah T. Maddison

arxiv:astro-ph/0508452 v1 · 2005-08-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5EJVC6MTVK7SOII6UBRENNTBZ}

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	2026-05-18T01:08:58.962373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f489a8bcc9d55f93908f5031235b30e75302f7c8c8f8271ff332fdf420c37ce

Aliases

arxiv: astro-ph/0508452 · arxiv_version: astro-ph/0508452v1 · doi: 10.48550/arxiv.astro-ph/0508452 · pith_short_12: R5EJVC6MTVK7 · pith_short_16: R5EJVC6MTVK7SOII · pith_short_8: R5EJVC6M

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/R5EJVC6MTVK7SOII6UBRENNTBZ \
  | 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: 8f489a8bcc9d55f93908f5031235b30e75302f7c8c8f8271ff332fdf420c37ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2720ff7ad86a86fbfd58aa4ed94b6ecf47b8afe8f721b18517e8eeaa7d3548ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-22T13:00:21Z",
    "title_canon_sha256": "a25412e4a0eb597eebb61794f9aecc5203c1e5c831aceb27fe51ebca1627e6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508452",
    "kind": "arxiv",
    "version": 1
  }
}