Pith Number

pith:YRH6LYLO

pith:2014:YRH6LYLOYUY2DVZTGU7Z6FO6CZ

not attested not anchored not stored refs pending

The circulation of dust in protoplanetary discs and the initial conditions of planet formation

Bradley M. S. Hansen

arxiv:1403.6552 v1 · 2014-03-26 · 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{YRH6LYLOYUY2DVZTGU7Z6FO6CZ}

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	2026-05-18T01:43:51.105290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44fe5e16ec531a1d733353f9f15de164becee36cb43effbda0c0dedfd3ace92

Aliases

arxiv: 1403.6552 · arxiv_version: 1403.6552v1 · doi: 10.48550/arxiv.1403.6552 · pith_short_12: YRH6LYLOYUY2 · pith_short_16: YRH6LYLOYUY2DVZT · pith_short_8: YRH6LYLO

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/YRH6LYLOYUY2DVZTGU7Z6FO6CZ \
  | 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: c44fe5e16ec531a1d733353f9f15de164becee36cb43effbda0c0dedfd3ace92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "659ee690889c558ba0303a6e149b78da15c9f51a9e20f52c1bca245e3c6d0f48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-03-26T01:25:54Z",
    "title_canon_sha256": "043770aa1574f03aaa93b599e985a4f4a107755575d74742e1e65fc9260558c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6552",
    "kind": "arxiv",
    "version": 1
  }
}