Pith Number

pith:DZI2SUPE

pith:2020:DZI2SUPEXQGHKHI5WUGJR3SJKC

not attested not anchored not stored refs pending

WASP-4 transit timing variation from a comprehensive set of 129 transits

C. Huitson, C.R. Knight, E.N. Sokov, I.A. Sokova, Jos\'e A.R.S. da Silva, P. Evans, R.V. Baluev, S. Hoyer, V.Sh. Shaidulin

arxiv:2004.09109 v1 · 2020-04-20 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZI2SUPEXQGHKHI5WUGJR3SJKC}

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	2026-07-05T03:22:56.932019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e51a951e4bc0c751d1db50c98ee4950a60220fd001cfa9de1895ace4b2bc1ca

Aliases

arxiv: 2004.09109 · arxiv_version: 2004.09109v1 · doi: 10.48550/arxiv.2004.09109 · pith_short_12: DZI2SUPEXQGH · pith_short_16: DZI2SUPEXQGHKHI5 · pith_short_8: DZI2SUPE

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/DZI2SUPEXQGHKHI5WUGJR3SJKC \
  | 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: 1e51a951e4bc0c751d1db50c98ee4950a60220fd001cfa9de1895ace4b2bc1ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4271da310b8138abbecf3b4e3a2f14e3493ebe0aed7ba91832464c4e63a519",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-04-20T07:54:33Z",
    "title_canon_sha256": "2de01d99a01951014f29bc27784e3d1bea5a62e5c5920c7fb3ef7b604139c3c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09109",
    "kind": "arxiv",
    "version": 1
  }
}