Pith Number

pith:NP532PEY

pith:2015:NP532PEYWMXMCPCEZWYPPFFU6U

not attested not anchored not stored refs pending

A SMACK Model of Colliding Planetesimals in the $\beta$ Pictoris Debris Disk

Erika R. Nesvold, Marc J. Kuchner

arxiv:1506.07187 v2 · 2015-06-23 · 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{NP532PEYWMXMCPCEZWYPPFFU6U}

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	2026-05-18T01:24:18.873345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bfbbd3c98b32ec13c44cdb0f794b4f5381a1966ea4bf744ca59bd8573e1b1d1

Aliases

arxiv: 1506.07187 · arxiv_version: 1506.07187v2 · doi: 10.48550/arxiv.1506.07187 · pith_short_12: NP532PEYWMXM · pith_short_16: NP532PEYWMXMCPCE · pith_short_8: NP532PEY

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/NP532PEYWMXMCPCEZWYPPFFU6U \
  | 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: 6bfbbd3c98b32ec13c44cdb0f794b4f5381a1966ea4bf744ca59bd8573e1b1d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "354df4a473930259a424deb2e834df682855bc2b75dfdeb10f0533d20ec9dc25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-06-23T20:03:04Z",
    "title_canon_sha256": "058198f21d0a0883beb368b4d2f891739715a451772d3c50fa0dcb14b5ad6652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07187",
    "kind": "arxiv",
    "version": 2
  }
}