Pith Number

pith:W43AGSMZ

pith:2016:W43AGSMZAFDNASFFC7BFN6HLRG

not attested not anchored not stored refs pending

Collision velocity of dust grains in self-gravitating protoplanetary discs

Cathie J. Clarke, Richard A. Booth

arxiv:1603.00029 v1 · 2016-02-29 · 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{W43AGSMZAFDNASFFC7BFN6HLRG}

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	2026-05-18T01:18:37.089280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7360349990146d048a517c256f8eb89ba6613366009210e91e4fdfbe8c60c32

Aliases

arxiv: 1603.00029 · arxiv_version: 1603.00029v1 · doi: 10.48550/arxiv.1603.00029 · pith_short_12: W43AGSMZAFDN · pith_short_16: W43AGSMZAFDNASFF · pith_short_8: W43AGSMZ

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/W43AGSMZAFDNASFFC7BFN6HLRG \
  | 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: b7360349990146d048a517c256f8eb89ba6613366009210e91e4fdfbe8c60c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f0219e19cd86d536462302a144bca6c129d1c4be51ab9b6314121ae818f77e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-02-29T21:00:07Z",
    "title_canon_sha256": "5adcf184a56e000c89cb6782a3ebfc2c7372ab13baaeae54a095943267acc7b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00029",
    "kind": "arxiv",
    "version": 1
  }
}