Pith Number

pith:5NLJWMM3

pith:2012:5NLJWMM3MMOPYYT5226XGT7AHD

not attested not anchored not stored refs pending

From Dust to Planetesimals: Criteria for Gravitational Instability of Small Particles in Gas

Eugene Chiang, Ji-Ming Shi

arxiv:1209.5397 v2 · 2012-09-24 · astro-ph.EP · astro-ph.GA

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

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	2026-05-18T01:54:19.338915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb569b319b631cfc627dd6bd734fe038ddae592bfed5ed9ab0b23cceb2ce4b28

Aliases

arxiv: 1209.5397 · arxiv_version: 1209.5397v2 · doi: 10.48550/arxiv.1209.5397 · pith_short_12: 5NLJWMM3MMOP · pith_short_16: 5NLJWMM3MMOPYYT5 · pith_short_8: 5NLJWMM3

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/5NLJWMM3MMOPYYT5226XGT7AHD \
  | 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: eb569b319b631cfc627dd6bd734fe038ddae592bfed5ed9ab0b23cceb2ce4b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e90f6201cc4fc1a712eb090eb28040c4b16a560339794edf03ed40785aabb40",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-09-24T20:00:05Z",
    "title_canon_sha256": "d3e0d2fd2c6d245a340634062675858fa8ea0922c3649aed4d40370cef0431c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5397",
    "kind": "arxiv",
    "version": 2
  }
}