Pith Number

pith:HLGTAEFI

pith:2015:HLGTAEFIRYY2Y56LELDJNGXBCM

not attested not anchored not stored refs pending

Gravity-dominated unequal-mass black hole collisions

Emanuele Berti, Frans Pretorius, Ulrich Sperhake, Vitor Cardoso

arxiv:1511.08209 v1 · 2015-11-25 · gr-qc · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLGTAEFIRYY2Y56LELDJNGXBCM}

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	2026-05-18T01:21:04.067976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3acd3010a88e31ac77cb22c6969ae1130dd3999ae2b71cb3335699807781e36a

Aliases

arxiv: 1511.08209 · arxiv_version: 1511.08209v1 · doi: 10.48550/arxiv.1511.08209 · pith_short_12: HLGTAEFIRYY2 · pith_short_16: HLGTAEFIRYY2Y56L · pith_short_8: HLGTAEFI

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/HLGTAEFIRYY2Y56LELDJNGXBCM \
  | 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: 3acd3010a88e31ac77cb22c6969ae1130dd3999ae2b71cb3335699807781e36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c28de66f5c2d5e1745168689b366542c7f46cc20b8d8d01af47c180923f645",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-11-25T20:59:59Z",
    "title_canon_sha256": "4c5d23d71785ec5f33fa1e5d2270f68945b56e487ade181af1ba366202921f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08209",
    "kind": "arxiv",
    "version": 1
  }
}