Pith Number

pith:S34Z3R5R

pith:2015:S34Z3R5R4CZQQNYHFAQS6NT3WY

not attested not anchored not stored refs pending

Slicing black hole spacetimes

Andrea Geralico, Donato Bini, Eduardo Bittencourt, Robert T. Jantzen

arxiv:1509.04875 v1 · 2015-09-16 · 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{S34Z3R5R4CZQQNYHFAQS6NT3WY}

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	2026-05-18T01:32:20.594544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96f99dc7b1e0b308370728212f367bb618a47e580eb72cb817727ae648513240

Aliases

arxiv: 1509.04875 · arxiv_version: 1509.04875v1 · doi: 10.48550/arxiv.1509.04875 · pith_short_12: S34Z3R5R4CZQ · pith_short_16: S34Z3R5R4CZQQNYH · pith_short_8: S34Z3R5R

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/S34Z3R5R4CZQQNYHFAQS6NT3WY \
  | 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: 96f99dc7b1e0b308370728212f367bb618a47e580eb72cb817727ae648513240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19b455536757441b939c868709dbf48737415c41a50230bad55a0410b01d51d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-16T10:34:23Z",
    "title_canon_sha256": "337d533896335aa704fc530c08bbca5c4266bdf5f5b06aed70501734ab2331f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04875",
    "kind": "arxiv",
    "version": 1
  }
}