Pith Number

pith:IW2A53CZ

pith:2015:IW2A53CZWRPZJIPE2DRWK7VUT3

not attested not anchored not stored refs pending

Analysis of the exoplanet containing system Kepler 91

Ahmet Erdem, \c{C}a\u{g}lar P\"usk\"ull\"u, Edwin Budding, Michael D. Rhodes, Osman Demircan

arxiv:1507.02060 v3 · 2015-07-08 · astro-ph.EP · 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{IW2A53CZWRPZJIPE2DRWK7VUT3}

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	2026-05-18T01:22:39.317185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b40eec59b45f94a1e4d0e3657eb49efb72b1a3f2a577db4dceb36b34bf6773

Aliases

arxiv: 1507.02060 · arxiv_version: 1507.02060v3 · doi: 10.48550/arxiv.1507.02060 · pith_short_12: IW2A53CZWRPZ · pith_short_16: IW2A53CZWRPZJIPE · pith_short_8: IW2A53CZ

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/IW2A53CZWRPZJIPE2DRWK7VUT3 \
  | 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: 45b40eec59b45f94a1e4d0e3657eb49efb72b1a3f2a577db4dceb36b34bf6773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e82a8ac106a78050ec867b6c27a19d211c0e975747a32513f8d70758e40d75d3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-07-08T08:22:01Z",
    "title_canon_sha256": "fc40d9e3a59e18ba3f6c19bbd2b3028067798e10cd5ddfe21afff5218445f022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02060",
    "kind": "arxiv",
    "version": 3
  }
}