Pith Number

pith:3L22VA7I

pith:2019:3L22VA7IS4XPLPHTC7V27CKYLI

not attested not anchored not stored refs pending

Nonlinear outcome of gravitational instability in an irradiated protoplanetary disc

Ji-Ming Shi, Shigenobu Hirose

arxiv:1901.04082 v1 · 2019-01-13 · 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{3L22VA7IS4XPLPHTC7V27CKYLI}

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	2026-05-17T23:55:52.791977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daf5aa83e8972ef5bcf317ebaf89585a18c89dd66100c0d803b323fe85b3e84d

Aliases

arxiv: 1901.04082 · arxiv_version: 1901.04082v1 · doi: 10.48550/arxiv.1901.04082 · pith_short_12: 3L22VA7IS4XP · pith_short_16: 3L22VA7IS4XPLPHT · pith_short_8: 3L22VA7I

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/3L22VA7IS4XPLPHTC7V27CKYLI \
  | 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: daf5aa83e8972ef5bcf317ebaf89585a18c89dd66100c0d803b323fe85b3e84d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2264676956de1ae934a6e94944ab05b6e8c2955a297000b105660d12358ac55b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-13T23:12:42Z",
    "title_canon_sha256": "69c7da6aec818e429ce231325767ff05771bcb754b56b70fab653e0388c1a05a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04082",
    "kind": "arxiv",
    "version": 1
  }
}