Pith Number

pith:PBWLCJVN

pith:2010:PBWLCJVN3JJLU23ICILWI25RCE

not attested not anchored not stored refs pending

A hybrid method for understanding black-hole mergers: head-on case

David A. Nichols, Yanbei Chen

arxiv:1007.2024 v3 · 2010-07-13 · 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{PBWLCJVN3JJLU23ICILWI25RCE}

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	2026-05-18T04:33:39.218488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

786cb126adda52ba6b681217646bb111035ab80903e38d2cd205e278f8033f8f

Aliases

arxiv: 1007.2024 · arxiv_version: 1007.2024v3 · doi: 10.48550/arxiv.1007.2024 · pith_short_12: PBWLCJVN3JJL · pith_short_16: PBWLCJVN3JJLU23I · pith_short_8: PBWLCJVN

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/PBWLCJVN3JJLU23ICILWI25RCE \
  | 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: 786cb126adda52ba6b681217646bb111035ab80903e38d2cd205e278f8033f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a0610de186f85fa206b56b3e0370cd0ff17e9b33b301db44b7d5eab9928cbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-07-13T02:34:30Z",
    "title_canon_sha256": "3e072cd391cfe53530cce3e10c71d308a20fff862c289ec9a47f11d47148e1e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2024",
    "kind": "arxiv",
    "version": 3
  }
}