Pith Number

pith:WEUZREVG

pith:2011:WEUZREVGYLA3D7ZP2PAPZAQYKN

not attested not anchored not stored refs pending

Disruption of a Proto-Planetary Disk by the Black Hole at the Milky Way Centre

Abraham Loeb (CfA), Ruth A. Murray-Clay

arxiv:1112.4822 v3 · 2011-12-20 · astro-ph.GA · 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{WEUZREVGYLA3D7ZP2PAPZAQYKN}

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	2026-05-18T01:59:04.437184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1299892a6c2c1b1ff2fd3c0fc821853510f9a3d0404baf274b82871fb84c3f9

Aliases

arxiv: 1112.4822 · arxiv_version: 1112.4822v3 · doi: 10.48550/arxiv.1112.4822 · pith_short_12: WEUZREVGYLA3 · pith_short_16: WEUZREVGYLA3D7ZP · pith_short_8: WEUZREVG

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/WEUZREVGYLA3D7ZP2PAPZAQYKN \
  | 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: b1299892a6c2c1b1ff2fd3c0fc821853510f9a3d0404baf274b82871fb84c3f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02154e360cecf98f16fbefe6375a94ceb13109fd7caa35ff65066cd2fd61c62d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-20T20:30:45Z",
    "title_canon_sha256": "9fb711bde590499a3bfbdcce1e47857252ff3b4a489f3112b9ccc677a21900cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4822",
    "kind": "arxiv",
    "version": 3
  }
}