Pith Number

pith:ZGYG6HFX

pith:2016:ZGYG6HFXZTZGOEC6OQCJLNHUTD

not attested not anchored not stored refs pending

Walking on exoplanets: Is Star Wars right?

Bartolo Luque, Fernando J. Ballesteros

arxiv:1604.07725 v1 · 2016-04-26 · 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{ZGYG6HFXZTZGOEC6OQCJLNHUTD}

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	2026-05-18T01:16:12.203612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9b06f1cb7ccf267105e740495b4f498f1914529a10d41b9caf25bf9b8d37a67

Aliases

arxiv: 1604.07725 · arxiv_version: 1604.07725v1 · doi: 10.48550/arxiv.1604.07725 · pith_short_12: ZGYG6HFXZTZG · pith_short_16: ZGYG6HFXZTZGOEC6 · pith_short_8: ZGYG6HFX

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/ZGYG6HFXZTZGOEC6OQCJLNHUTD \
  | 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: c9b06f1cb7ccf267105e740495b4f498f1914529a10d41b9caf25bf9b8d37a67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63163a11b8c6954cc50f79b1fed110a6f63029ec6cddc507a0e49c19b6b241a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-04-26T15:51:35Z",
    "title_canon_sha256": "deb13dd61b330c7e172514e4c4c7a10185fcf2be009ad5c18981d0367f783de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07725",
    "kind": "arxiv",
    "version": 1
  }
}