Pith Number

pith:4BPML2HS

pith:2018:4BPML2HSM7UGKCQRGPXNUARQ6X

not attested not anchored not stored refs pending

Gravitational collapse in $(2+1)$-dimensional Eddington-inspired Born-Infeld gravity

India), Pankaj S. Joshi (TIFR Mumbai, Rajibul Shaikh

arxiv:1801.01993 v2 · 2018-01-06 · 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{4BPML2HSM7UGKCQRGPXNUARQ6X}

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	2026-05-18T00:09:36.169659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05ec5e8f267e8650a1133eeda0230f5f929f3919076d5c211a4f5b0fa73a2a1

Aliases

arxiv: 1801.01993 · arxiv_version: 1801.01993v2 · doi: 10.48550/arxiv.1801.01993 · pith_short_12: 4BPML2HSM7UG · pith_short_16: 4BPML2HSM7UGKCQR · pith_short_8: 4BPML2HS

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/4BPML2HSM7UGKCQRGPXNUARQ6X \
  | 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: e05ec5e8f267e8650a1133eeda0230f5f929f3919076d5c211a4f5b0fa73a2a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b53812c5d0f5c4b4e9a885ffca6a1cd193ea8e9a3f5136278efabc8ada2b8c7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-06T09:36:06Z",
    "title_canon_sha256": "d7772621f0e120ad8b23af9ccef1bbb87e1af1eb682f076899c4850160c61743"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01993",
    "kind": "arxiv",
    "version": 2
  }
}