Pith Number

pith:XGXDQEKD

pith:2015:XGXDQEKDAMYGTR7Z2W2HNBPJ3V

not attested not anchored not stored refs pending

Are protoplanetary disks born with vortices? -- Rossby wave instability driven by protostellar infall

Jaehan Bae (UMich), Lee Hartmann (UMich), Zhaohuan Zhu (Princeton)

arxiv:1503.02694 v1 · 2015-03-09 · 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{XGXDQEKDAMYGTR7Z2W2HNBPJ3V}

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	2026-05-18T02:03:33.976162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9ae381143033069c7f9d5b47685e9dd541f0ac0ec6048a8439bd419f40dfa40

Aliases

arxiv: 1503.02694 · arxiv_version: 1503.02694v1 · doi: 10.48550/arxiv.1503.02694 · pith_short_12: XGXDQEKDAMYG · pith_short_16: XGXDQEKDAMYGTR7Z · pith_short_8: XGXDQEKD

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/XGXDQEKDAMYGTR7Z2W2HNBPJ3V \
  | 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: b9ae381143033069c7f9d5b47685e9dd541f0ac0ec6048a8439bd419f40dfa40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56fa2180c68f6aab2a3f79d71548de7628d41bbba3bd8852d18ed77e158e7734",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-09T21:00:32Z",
    "title_canon_sha256": "19604779aec8c9a7ff16bc55406ea7e44498ce9d315d16c539a315bf478e9edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02694",
    "kind": "arxiv",
    "version": 1
  }
}