Pith Number

pith:4MGT7R5Z

pith:2016:4MGT7R5Z4BS5WPCYJQLNCKD2JP

not attested not anchored not stored refs pending

Observational Constraints on Planet Nine: Cassini Range Observations

Matthew J. Holman, Matthew J. Payne

arxiv:1604.03180 v1 · 2016-04-12 · 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{4MGT7R5Z4BS5WPCYJQLNCKD2JP}

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	2026-05-18T01:03:19.280740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30d3fc7b9e065db3c584c16d1287a4bc1d1b13df61cac8c8485f4f3a4571307

Aliases

arxiv: 1604.03180 · arxiv_version: 1604.03180v1 · doi: 10.48550/arxiv.1604.03180 · pith_short_12: 4MGT7R5Z4BS5 · pith_short_16: 4MGT7R5Z4BS5WPCY · pith_short_8: 4MGT7R5Z

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/4MGT7R5Z4BS5WPCYJQLNCKD2JP \
  | 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: e30d3fc7b9e065db3c584c16d1287a4bc1d1b13df61cac8c8485f4f3a4571307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4741a5cc1386777e5ce1a2f74b18860a858bae23f6f1fdcf37cb4694a89e73da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-04-12T00:07:59Z",
    "title_canon_sha256": "fbe93b32ccd18bed9303f801f8b2539824c0468c4a2687f313db0743685fbf16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03180",
    "kind": "arxiv",
    "version": 1
  }
}