Pith Number

pith:73NUYSUI

pith:2013:73NUYSUIQDBSLW2RQMTKEFLSGV

not attested not anchored not stored refs pending

Approximate black hole binary spacetime via asymptotic matching

Bruno C. Mundim, Hiroyuki Nakano, Manuela Campanelli, Nicol\'as Yunes, Scott C. Noble, Yosef Zlochower

arxiv:1312.6731 v2 · 2013-12-24 · 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{73NUYSUIQDBSLW2RQMTKEFLSGV}

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	2026-05-18T02:52:06.246488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fedb4c4a8880c325db518326a2157235530c9a15f0c2aca57c3c1a60398b157b

Aliases

arxiv: 1312.6731 · arxiv_version: 1312.6731v2 · doi: 10.48550/arxiv.1312.6731 · pith_short_12: 73NUYSUIQDBS · pith_short_16: 73NUYSUIQDBSLW2R · pith_short_8: 73NUYSUI

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/73NUYSUIQDBSLW2RQMTKEFLSGV \
  | 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: fedb4c4a8880c325db518326a2157235530c9a15f0c2aca57c3c1a60398b157b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a85e2490b60c4a0d89e0f109b07521339b2fb6e8088dc20ad89492cb342c3ad7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-12-24T00:55:30Z",
    "title_canon_sha256": "334d4567fbd521e52b73fb9f4d91ae899af397d905ed0f6445e0aad1e7235801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6731",
    "kind": "arxiv",
    "version": 2
  }
}