Pith Number

pith:P3PZOOTA

pith:2013:P3PZOOTAGXJVVMHGFFFI3JUAOB

not attested not anchored not stored refs pending

Triggered fragmentation in gravitationally unstable discs: forming fragments at small radii

Farzana Meru

arxiv:1305.7155 v1 · 2013-05-30 · astro-ph.EP · astro-ph.GA · 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{P3PZOOTAGXJVVMHGFFFI3JUAOB}

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	2026-05-18T03:22:16.277502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7edf973a6035d35ab0e6294a8da6807075191a424e01a1677ba66f1b04f7ffd5

Aliases

arxiv: 1305.7155 · arxiv_version: 1305.7155v1 · doi: 10.48550/arxiv.1305.7155 · pith_short_12: P3PZOOTAGXJV · pith_short_16: P3PZOOTAGXJVVMHG · pith_short_8: P3PZOOTA

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/P3PZOOTAGXJVVMHGFFFI3JUAOB \
  | 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: 7edf973a6035d35ab0e6294a8da6807075191a424e01a1677ba66f1b04f7ffd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "177d8c9bfb9db39ffc1d500c16a18f4c91fab4bf8adcd4b13965157d789a8b25",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-05-30T16:37:24Z",
    "title_canon_sha256": "49a7e92ffb32caa905fd45a19c206c13d2a704a10b3afcaa43cf3e3faa7afc95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7155",
    "kind": "arxiv",
    "version": 1
  }
}