Pith Number

pith:VBPWWUJQ

pith:2017:VBPWWUJQL3BDW65VECE6I6ATJ6

not attested not anchored not stored refs pending

Modeling the Black hole Merger of QSO 3C 186

Carlos O.Lousto, Manuela Campanelli, Yosef Zlochower

arxiv:1704.00809 v1 · 2017-04-03 · astro-ph.GA · astro-ph.CO · 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{VBPWWUJQL3BDW65VECE6I6ATJ6}

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	2026-05-18T00:42:29.001436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a85f6b51305ec23b7bb52089e478134fb93471163fdfff1aed17deff246745ad

Aliases

arxiv: 1704.00809 · arxiv_version: 1704.00809v1 · doi: 10.48550/arxiv.1704.00809 · pith_short_12: VBPWWUJQL3BD · pith_short_16: VBPWWUJQL3BDW65V · pith_short_8: VBPWWUJQ

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/VBPWWUJQL3BDW65VECE6I6ATJ6 \
  | 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: a85f6b51305ec23b7bb52089e478134fb93471163fdfff1aed17deff246745ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452f46d7a1ebd9060e3c6e9c89802804880d1376758c512504c3516d42f5278b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-03T21:07:19Z",
    "title_canon_sha256": "473e881371c3f02a4f236f5c750f5daf9c89a22da5b4205b11c6a7132e36d83a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00809",
    "kind": "arxiv",
    "version": 1
  }
}