Pith Number

pith:DCATON7J

pith:2012:DCATON7J5ETWD4VM4ZK25ONYIP

not attested not anchored not stored refs pending

Noncommutative gravity at second order via Seiberg-Witten map

Leonardo Castellani, Marija Dimitrijevic, Paolo Aschieri

arxiv:1207.4346 v1 · 2012-07-18 · 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{DCATON7J5ETWD4VM4ZK25ONYIP}

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	2026-05-18T03:22:27.872232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18813737e9e92761f2ace655aeb9b843ecb34363782a275a5f2cc19981291b88

Aliases

arxiv: 1207.4346 · arxiv_version: 1207.4346v1 · doi: 10.48550/arxiv.1207.4346 · pith_short_12: DCATON7J5ETW · pith_short_16: DCATON7J5ETWD4VM · pith_short_8: DCATON7J

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/DCATON7J5ETWD4VM4ZK25ONYIP \
  | 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: 18813737e9e92761f2ace655aeb9b843ecb34363782a275a5f2cc19981291b88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7e65bb637fad3e3b9108b96d61eba695e40bbd01685618693e4cf2ddb4e9173",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-07-18T11:41:09Z",
    "title_canon_sha256": "931ebe9b041953eff87c099a97e102eec8ccd33318e8c2209b3b3a103bfe182d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4346",
    "kind": "arxiv",
    "version": 1
  }
}