Pith Number

pith:RRZIH6GJ

pith:2020:RRZIH6GJ2MPYKBHED5UR7JC3SF

not attested not anchored not stored refs pending

Searching for a Black Hole in the Outer Solar System

Edward Witten

arxiv:2004.14192 v2 · 2020-04-29 · astro-ph.EP · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRZIH6GJ2MPYKBHED5UR7JC3SF}

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.

Cited by

1 paper in Pith

A Solar-System Window for Hidden Stellar Companions

Receipt and verification

First computed	2026-07-05T00:59:43.687821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7283f8c9d31f8504e41f691fa45b91571f26a4333b6058789e107fe57ad53f

Aliases

arxiv: 2004.14192 · arxiv_version: 2004.14192v2 · doi: 10.48550/arxiv.2004.14192 · pith_short_12: RRZIH6GJ2MPY · pith_short_16: RRZIH6GJ2MPYKBHE · pith_short_8: RRZIH6GJ

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/RRZIH6GJ2MPYKBHED5UR7JC3SF \
  | 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: 8c7283f8c9d31f8504e41f691fa45b91571f26a4333b6058789e107fe57ad53f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb80448c3707a9a762e0f2f1eaf0d16af184903500f0f7fe9225d9258782d7f",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-04-29T13:33:24Z",
    "title_canon_sha256": "25c14e104131487ccd4347506560d5179adec81f47b40589fbbc69068017eda1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.14192",
    "kind": "arxiv",
    "version": 2
  }
}