Pith Number

pith:7JNRLHAW

pith:2019:7JNRLHAW3NEARF36W4Y6RHN3SY

not attested not anchored not stored refs pending

Do the planets in the HD 34445 system really exist?

Ian Dobbs-Dixon, Nikolaos Georgakarakos

arxiv:1907.05495 v1 · 2019-07-11 · 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{7JNRLHAW3NEARF36W4Y6RHN3SY}

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	2026-05-17T23:39:42.742125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa5b159c16db4808977eb731e89dbb960502e2c373307ca86dbf708cafc143e0

Aliases

arxiv: 1907.05495 · arxiv_version: 1907.05495v1 · doi: 10.48550/arxiv.1907.05495 · pith_short_12: 7JNRLHAW3NEA · pith_short_16: 7JNRLHAW3NEARF36 · pith_short_8: 7JNRLHAW

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/7JNRLHAW3NEARF36W4Y6RHN3SY \
  | 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: fa5b159c16db4808977eb731e89dbb960502e2c373307ca86dbf708cafc143e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a92839b186070a7f8d73568919a1b6785cd7150f28a7c35413ccf3d87dbf01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-11T21:24:41Z",
    "title_canon_sha256": "88e76d850e276b7a56a03ab138852e706c22e8718c41634d69ed94b462df296f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05495",
    "kind": "arxiv",
    "version": 1
  }
}