Pith Number

pith:DM2GHJUD

pith:2005:DM2GHJUDAWDNCH7GH77EVFBA5L

not attested not anchored not stored refs pending

The Onset of Planet Formation in Brown Dwarf Disks

2), (2) NASA Astrobiology Institute, (3) Max Planck Institute for Astronomy, (4) Osservatorio Astrofisico di Arcetri, A. Natta (4), C. P. Dullemond (3) ((1) Steward Observatory, D. Apai (1, Florence), Heidelberg, I. Pascucci (1), J. Bouwman (3), Th. Henning (3), Tucson

arxiv:astro-ph/0511420 v1 · 2005-11-14 · 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{DM2GHJUDAWDNCH7GH77EVFBA5L}

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	2026-07-04T14:50:58.861486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b3463a6830586d11fe63ffe4a9420eaf88f652c95543e77f3129dd432e74060

Aliases

arxiv: astro-ph/0511420 · arxiv_version: astro-ph/0511420v1 · doi: 10.48550/arxiv.astro-ph/0511420 · pith_short_12: DM2GHJUDAWDN · pith_short_16: DM2GHJUDAWDNCH7G · pith_short_8: DM2GHJUD

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/DM2GHJUDAWDNCH7GH77EVFBA5L \
  | 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: 1b3463a6830586d11fe63ffe4a9420eaf88f652c95543e77f3129dd432e74060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b42c04d418646322ac626dbcb38e92b0188e8c2f52aac848eec4a87934bcac5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-14T23:00:50Z",
    "title_canon_sha256": "05682b6f4aeac053defc2ffa731e0f5580c10cbcaa273543f4cebabe4b14bfed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511420",
    "kind": "arxiv",
    "version": 1
  }
}