Pith Number

pith:Z4YDOG3P

pith:2015:Z4YDOG3P2TRNF2BINNSXZFSI4P

not attested not anchored not stored refs pending

Transit timing to first order in eccentricity

Eric Agol, Katherine Deck

arxiv:1509.01623 v2 · 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{Z4YDOG3P2TRNF2BINNSXZFSI4P}

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	2026-05-18T01:16:09.704936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf30371b6fd4e2d2e8286b657c9648e3d0c4b8f8ac7d9885d17441d7a5dc83d2

Aliases

arxiv: 1509.01623 · arxiv_version: 1509.01623v2 · doi: 10.48550/arxiv.1509.01623 · pith_short_12: Z4YDOG3P2TRN · pith_short_16: Z4YDOG3P2TRNF2BI · pith_short_8: Z4YDOG3P

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/Z4YDOG3P2TRNF2BINNSXZFSI4P \
  | 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: cf30371b6fd4e2d2e8286b657c9648e3d0c4b8f8ac7d9885d17441d7a5dc83d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c312aa0b81a19415893bfa4684b3e430262451fa65794620487e0a3849687949",
    "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": "2015-09-04T22:19:00Z",
    "title_canon_sha256": "91bf7d32a38b1f9e70c65ead4b393af8df04e31fd3da9d84ddd17119a6407459"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01623",
    "kind": "arxiv",
    "version": 2
  }
}