Pith Number

pith:E65BKEK2

pith:2012:E65BKEK236BMNFY3GDTKZJ3EVN

not attested not anchored not stored refs pending

Planetesimal formation by sweep-up: How the bouncing barrier can be beneficial to growth

Carsten G\"uttler, Cornelis P. Dullemond, Fredrik Windmark, J\"urgen Blum, Thomas Henning, Til Birnstiel

arxiv:1201.4282 v1 · 2012-01-20 · 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{E65BKEK236BMNFY3GDTKZJ3EVN}

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	2026-05-18T01:58:46.245682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ba15115adf82c6971b30e6aca764ab431dae67d93a2214c514e77d8067a28e

Aliases

arxiv: 1201.4282 · arxiv_version: 1201.4282v1 · doi: 10.48550/arxiv.1201.4282 · pith_short_12: E65BKEK236BM · pith_short_16: E65BKEK236BMNFY3 · pith_short_8: E65BKEK2

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/E65BKEK236BMNFY3GDTKZJ3EVN \
  | 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: 27ba15115adf82c6971b30e6aca764ab431dae67d93a2214c514e77d8067a28e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92fefa31231d5458737b189d7243906096f06cdda9cdeadec296b091afbec65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-01-20T13:05:52Z",
    "title_canon_sha256": "0e4d047476fd400047b60aa23a9370d2be7ec57622633525a27c1396a28786b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4282",
    "kind": "arxiv",
    "version": 1
  }
}