Pith Number

pith:OBJHHD5A

pith:2015:OBJHHD5AO2LOEKGU2BCTIQCORC

not attested not anchored not stored refs pending

The Center of Light: Spectroastrometric Detection of Exomoons

Brianna Lacy, Eric Agol, Tiffany Jansen, Tyler Robinson, Victoria Meadows

arxiv:1509.01615 v1 · 2015-09-04 · astro-ph.EP · astro-ph.IM · 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{OBJHHD5AO2LOEKGU2BCTIQCORC}

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	2026-05-18T01:30:17.974808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7052738fa07696e228d4d04534404e8898b3ae34b4810beb30157751a2bad08f

Aliases

arxiv: 1509.01615 · arxiv_version: 1509.01615v1 · doi: 10.48550/arxiv.1509.01615 · pith_short_12: OBJHHD5AO2LO · pith_short_16: OBJHHD5AO2LOEKGU · pith_short_8: OBJHHD5A

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/OBJHHD5AO2LOEKGU2BCTIQCORC \
  | 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: 7052738fa07696e228d4d04534404e8898b3ae34b4810beb30157751a2bad08f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2007052b64b7adad9bbe87333a957c447e0feafe31f13573524a6fc28b789b",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-04T21:30:11Z",
    "title_canon_sha256": "fb6361e71257abad31dc7f55d4cb9fe0bbaceb195dde3ca69a1aae63719a4d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01615",
    "kind": "arxiv",
    "version": 1
  }
}