Pith Number

pith:3UAYRQEP

pith:2012:3UAYRQEPUCNFYFGJL4BBZI7NKS

not attested not anchored not stored refs pending

Making sense of the bizarre behaviour of horizons in the McVittie spacetime

Andres F. Zambrano Moreno, Roshina Nandra, Valerio Faraoni

arxiv:1202.0719 v1 · 2012-02-03 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UAYRQEPUCNFYFGJL4BBZI7NKS}

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

2 papers in Pith

Cosmological coupled black holes immersed in dark sector

Receipt and verification

First computed	2026-05-18T03:22:52.639091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0188c08fa09a5c14c95f021ca3ed5495504f37e2589c5b498ee6e5eee814a8

Aliases

arxiv: 1202.0719 · arxiv_version: 1202.0719v1 · doi: 10.48550/arxiv.1202.0719 · pith_short_12: 3UAYRQEPUCNF · pith_short_16: 3UAYRQEPUCNFYFGJ · pith_short_8: 3UAYRQEP

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/3UAYRQEPUCNFYFGJL4BBZI7NKS \
  | 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: dd0188c08fa09a5c14c95f021ca3ed5495504f37e2589c5b498ee6e5eee814a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e776918371933a2b52c47f3b13e6f1b06f390066adf4ac7053defab27c59de8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-03T14:41:52Z",
    "title_canon_sha256": "f486559e9e2198d3ef517f2bf880b27ea95081778f0a3c719565e6b7b83d6cc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0719",
    "kind": "arxiv",
    "version": 1
  }
}