Pith Number

pith:BBSGWK42

pith:2018:BBSGWK42UP6OE7BECEWPZDS7QZ

not attested not anchored not stored refs pending

Effective action of dilaton gravity as the classical double copy of Yang-Mills theory

Jan Plefka, Jan Steinhoff, Wadim Wormsbecher

arxiv:1807.09859 v3 · 2018-07-25 · hep-th · 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{BBSGWK42UP6OE7BECEWPZDS7QZ}

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	2026-05-17T23:56:14.887046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08646b2b9aa3fce27c24112cfc8e5f8650a01b961619c17cd8a3e109bf2ea7cb

Aliases

arxiv: 1807.09859 · arxiv_version: 1807.09859v3 · doi: 10.48550/arxiv.1807.09859 · pith_short_12: BBSGWK42UP6O · pith_short_16: BBSGWK42UP6OE7BE · pith_short_8: BBSGWK42

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/BBSGWK42UP6OE7BECEWPZDS7QZ \
  | 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: 08646b2b9aa3fce27c24112cfc8e5f8650a01b961619c17cd8a3e109bf2ea7cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba2072cac0b26cc9315ded815cb11c514f6b32cee660da3dd41f2a6cdb3839db",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-07-25T21:06:00Z",
    "title_canon_sha256": "e03fa40204207cc7259a06cd56cc8b9cde1f0a391658cb98ca4ed0fe74ce2a5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09859",
    "kind": "arxiv",
    "version": 3
  }
}