Pith Number

pith:MU4MZGF4

pith:2017:MU4MZGF4KGFNFEJGUMFXOBTZYJ

not attested not anchored not stored refs pending

Multiple Disk Gaps and Rings Generated by a Single Super-Earth

Eugene Chiang, Hui Li, Ruobing Dong, Shengtai Li

arxiv:1705.04687 v2 · 2017-05-12 · astro-ph.EP · astro-ph.SR

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	2026-05-18T00:39:35.092731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6538cc98bc518ad29126a30b770679c27b098ee15d86d28756c2f407cf5327f0

Aliases

arxiv: 1705.04687 · arxiv_version: 1705.04687v2 · doi: 10.48550/arxiv.1705.04687 · pith_short_12: MU4MZGF4KGFN · pith_short_16: MU4MZGF4KGFNFEJG · pith_short_8: MU4MZGF4

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/MU4MZGF4KGFNFEJGUMFXOBTZYJ \
  | 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: 6538cc98bc518ad29126a30b770679c27b098ee15d86d28756c2f407cf5327f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d844e39f49be089f66134ec9cd0a2f3045e621f89103f26fd652f11456951d9b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-05-12T18:00:00Z",
    "title_canon_sha256": "706b5c2a5b6f2ef6883a7727f7782cd4751b6c42b907ccc4af5166b9c3b1a699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04687",
    "kind": "arxiv",
    "version": 2
  }
}