Pith Number

pith:RS6Q4AID

pith:2015:RS6Q4AIDRZDWITSLKQDWJ45JGN

not attested not anchored not stored refs pending

The Next Great Exoplanet Hunt

Joshua Winn, Kevin Heng

arxiv:1504.04017 v2 · 2015-04-15 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RS6Q4AIDRZDWITSLKQDWJ45JGN}

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	2026-05-18T01:37:34.797989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cbd0e01038e47644e4b540764f3a9337d7cf99f1fa881da4c12f38b471ebc9b

Aliases

arxiv: 1504.04017 · arxiv_version: 1504.04017v2 · doi: 10.48550/arxiv.1504.04017 · pith_short_12: RS6Q4AIDRZDW · pith_short_16: RS6Q4AIDRZDWITSL · pith_short_8: RS6Q4AID

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/RS6Q4AIDRZDWITSLKQDWJ45JGN \
  | 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: 8cbd0e01038e47644e4b540764f3a9337d7cf99f1fa881da4c12f38b471ebc9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c1c2803589b46ab0ae0f1973e4d69a88e89486eda893a8ced6c7662789d4c35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-04-15T20:00:40Z",
    "title_canon_sha256": "0c415718271f3da384921a24a3674c2f155d39651c5f8791c2bed69775405910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04017",
    "kind": "arxiv",
    "version": 2
  }
}