Pith Number

pith:2L22VF4A

pith:2007:2L22VF4ATNVMGIAW5W46DRVFMH

not attested not anchored not stored refs pending

Rapid planetesimal formation in turbulent circumstellar discs

1), (2) American Museum of Natural History, 3), (3) University of Virginia, (4) CITA, Anders Johansen (1), Andrew Youdin (4) ((1) MPIA, Heidelberg, Hubert Klahr (1), Jeffrey S. Oishi (2, Mordecai-Mark Mac Low (2, Thomas Henning (1), University of Toronto)

arxiv:0708.3890 v1 · 2007-08-29 · 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{2L22VF4ATNVMGIAW5W46DRVFMH}

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	2026-05-18T02:16:21.937375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f5aa97809b6ac32016edb9e1c6a561eb82478a19970ad7e78435fa471f33a3

Aliases

arxiv: 0708.3890 · arxiv_version: 0708.3890v1 · doi: 10.48550/arxiv.0708.3890 · pith_short_12: 2L22VF4ATNVM · pith_short_16: 2L22VF4ATNVMGIAW · pith_short_8: 2L22VF4A

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/2L22VF4ATNVMGIAW5W46DRVFMH \
  | 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: d2f5aa97809b6ac32016edb9e1c6a561eb82478a19970ad7e78435fa471f33a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee6fe70043e5600d8997d991a5e908e87bebe0d366f701ab4b0b0696c164895c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-29T06:36:55Z",
    "title_canon_sha256": "49b10bdfd2475dd076c41e8234666c8a22f809eded509a602e1a2277ffcacb38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3890",
    "kind": "arxiv",
    "version": 1
  }
}