Pith Number

pith:FUIL7DTM

pith:2016:FUIL7DTMPO7ZU7YV4OK4NQADOK

not attested not anchored not stored refs pending

Why are pulsar planets rare?

Divya Palaniswamy, Mario Livio, Rebecca G. Martin

arxiv:1609.06409 v1 · 2016-09-21 · 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{FUIL7DTMPO7ZU7YV4OK4NQADOK}

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	2026-05-18T00:55:41.363292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d10bf8e6c7bbf9a7f15e395c6c00372b94ec44098d39235931e3bdd3f5a3c7c

Aliases

arxiv: 1609.06409 · arxiv_version: 1609.06409v1 · doi: 10.48550/arxiv.1609.06409 · pith_short_12: FUIL7DTMPO7Z · pith_short_16: FUIL7DTMPO7ZU7YV · pith_short_8: FUIL7DTM

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/FUIL7DTMPO7ZU7YV4OK4NQADOK \
  | 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: 2d10bf8e6c7bbf9a7f15e395c6c00372b94ec44098d39235931e3bdd3f5a3c7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f460476eb77480d969ccb718ebd6aac19a57dcefd5a976cf6d6f7e8669748746",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-09-21T02:59:05Z",
    "title_canon_sha256": "7bb5368cc62f0beb0953cd13c9433c639bfc44cbffe7eb9bdff01b26044abd06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06409",
    "kind": "arxiv",
    "version": 1
  }
}