Pith Number

pith:QEFYWQ33

pith:2018:QEFYWQ33OOIWTAHOHLFVVCILQR

not attested not anchored not stored refs pending

Dynamics of marginally trapped surfaces in a binary black hole merger: Growth and approach to equilibrium

Alex B. Nielsen, Anshu Gupta, Badri Krishnan, Erik Schnetter

arxiv:1801.07048 v2 · 2018-01-22 · 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{QEFYWQ33OOIWTAHOHLFVVCILQR}

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

3 papers in Pith

Cusp Formation in Merging Black Hole Horizons

Horizon Multipole Moments of a Kerr Black Hole

Cusp Formation in Merging Black Hole Horizons

Receipt and verification

First computed	2026-05-18T00:17:41.008715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810b8b437b73916980ee3acb5a890b847373fdb00aa0997e5b8821ad690ddc78

Aliases

arxiv: 1801.07048 · arxiv_version: 1801.07048v2 · doi: 10.48550/arxiv.1801.07048 · pith_short_12: QEFYWQ33OOIW · pith_short_16: QEFYWQ33OOIWTAHO · pith_short_8: QEFYWQ33

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/QEFYWQ33OOIWTAHOHLFVVCILQR \
  | 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: 810b8b437b73916980ee3acb5a890b847373fdb00aa0997e5b8821ad690ddc78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb0b5a59c8f8b688d36fd94e09c0831ff867ad7edb9b6e86c04cc53b4133522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-22T11:28:17Z",
    "title_canon_sha256": "d91dbe67a3655629a76de6148e313e6b0abcfe49178cee10edcbb6bbf4f1095e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07048",
    "kind": "arxiv",
    "version": 2
  }
}