Pith Number

pith:DU5RASTV

pith:2016:DU5RASTV5HHKM3QZ7HTDZOZ4ZA

not attested not anchored not stored refs pending

The background scale Ward identity in quantum gravity

Gian Paolo Vacca, Roberto Percacci

arxiv:1611.07005 v2 · 2016-11-21 · 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{DU5RASTV5HHKM3QZ7HTDZOZ4ZA}

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	2026-05-18T00:49:11.624167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3b104a75e9cea66e19f9e63cbb3cc81810c77e67d24ec83c3acbee1648309f

Aliases

arxiv: 1611.07005 · arxiv_version: 1611.07005v2 · doi: 10.48550/arxiv.1611.07005 · pith_short_12: DU5RASTV5HHK · pith_short_16: DU5RASTV5HHKM3QZ · pith_short_8: DU5RASTV

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/DU5RASTV5HHKM3QZ7HTDZOZ4ZA \
  | 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: 1d3b104a75e9cea66e19f9e63cbb3cc81810c77e67d24ec83c3acbee1648309f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5af289a81e94770681088f39693a19acebe4680239549e180a4415f6dd0665",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-11-21T20:48:31Z",
    "title_canon_sha256": "7469d83cd0b0d3c2179eb8c245fde7a2120c631af462268384749d08e8517327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07005",
    "kind": "arxiv",
    "version": 2
  }
}