Pith Number

pith:IVHFH2HV

pith:2017:IVHFH2HVPJNA53A5YTY26BRZ6X

not attested not anchored not stored refs pending

The double copy: gravity from gluons

Chris D. White

arxiv:1708.07056 v1 · 2017-08-23 · hep-th · gr-qc · hep-ph · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVHFH2HVPJNA53A5YTY26BRZ6X}

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

1 paper in Pith

Untwisting the double copy: the zeroth copy as an optical seed

Receipt and verification

First computed	2026-05-18T00:15:21.318826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454e53e8f57a5a0eec1dc4f1af0639f5ef09db61b79ee450b0d922d77a2a8999

Aliases

arxiv: 1708.07056 · arxiv_version: 1708.07056v1 · doi: 10.48550/arxiv.1708.07056 · pith_short_12: IVHFH2HVPJNA · pith_short_16: IVHFH2HVPJNA53A5 · pith_short_8: IVHFH2HV

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/IVHFH2HVPJNA53A5YTY26BRZ6X \
  | 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: 454e53e8f57a5a0eec1dc4f1af0639f5ef09db61b79ee450b0d922d77a2a8999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "074fa82ba9f951862d38f46e43b8aa8ae23b7a55f9b930a759838616dde6d56b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-08-23T15:37:38Z",
    "title_canon_sha256": "872bbec01034f99e6cf0733ed9b751f0712adfde258c5ab0885f786edff6b605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07056",
    "kind": "arxiv",
    "version": 1
  }
}