Pith Number

pith:YQIICNVD

pith:2015:YQIICNVD4CUBMCXGW3TB3N4WRW

not attested not anchored not stored refs pending

Rapid radiative clearing of protoplanetary discs

Cathie J. Clarke, James E. Owen, Thomas J. Haworth

arxiv:1512.02234 v2 · 2015-12-07 · astro-ph.EP · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQIICNVD4CUBMCXGW3TB3N4WRW}

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	2026-05-18T01:20:41.303295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4108136a3e0a8160ae6b6e61db7968da49cc225c64ac7bccfc9c41ab6bace18

Aliases

arxiv: 1512.02234 · arxiv_version: 1512.02234v2 · doi: 10.48550/arxiv.1512.02234 · pith_short_12: YQIICNVD4CUB · pith_short_16: YQIICNVD4CUBMCXG · pith_short_8: YQIICNVD

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/YQIICNVD4CUBMCXGW3TB3N4WRW \
  | 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: c4108136a3e0a8160ae6b6e61db7968da49cc225c64ac7bccfc9c41ab6bace18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50178f67c728060962122a8e50f0c54ee190d13b67094e59a2e5b1ed87fb20f4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-12-07T21:00:10Z",
    "title_canon_sha256": "0fc7e6504063be172f545be434759f303814427d4d9e8338ee1930d50581fe0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02234",
    "kind": "arxiv",
    "version": 2
  }
}