Pith Number

pith:JQA5SRAV

pith:2013:JQA5SRAVQW22W5UCSZTXKZEXTX

not attested not anchored not stored refs pending

Turbulent Disks are Never Stable: Fragmentation and Turbulence-Promoted Planet Formation

Jessie L. Christiansen (SETI/Ames), Philip F. Hopkins (Caltech/Berkeley)

arxiv:1301.2600 v2 · 2013-01-11 · astro-ph.EP · astro-ph.CO · astro-ph.GA · astro-ph.HE · 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{JQA5SRAVQW22W5UCSZTXKZEXTX}

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	2026-05-18T02:37:52.204656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c01d9441585b5ab768296677564979df4d352b09d8e795e8e51ede3a00a9fab

Aliases

arxiv: 1301.2600 · arxiv_version: 1301.2600v2 · doi: 10.48550/arxiv.1301.2600 · pith_short_12: JQA5SRAVQW22 · pith_short_16: JQA5SRAVQW22W5UC · pith_short_8: JQA5SRAV

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/JQA5SRAVQW22W5UCSZTXKZEXTX \
  | 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: 4c01d9441585b5ab768296677564979df4d352b09d8e795e8e51ede3a00a9fab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a9a35f92bb901befb6ab06d4179689ab63b3f8515b7f7afd0ed04864ce7251",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-01-11T21:00:05Z",
    "title_canon_sha256": "ffd4f8e9c511d03cfaaa28d5a3bcfa14773852046921e8f6142fe253e84bf6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2600",
    "kind": "arxiv",
    "version": 2
  }
}