Pith Number

pith:NZWSDO3Z

pith:2012:NZWSDO3ZFBZIWUICCKU577E7SO

not attested not anchored not stored refs pending

Noncommutative wormholes and the energy conditions

Everton M. C. Abreu, N\'elio Sasaki

arxiv:1207.7130 v1 · 2012-07-30 · 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{NZWSDO3ZFBZIWUICCKU577E7SO}

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	2026-05-18T03:49:46.676955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e6d21bb7928728b510212a9dffc9f93b0b5f200101daf68603564eb4d1f3a7b

Aliases

arxiv: 1207.7130 · arxiv_version: 1207.7130v1 · doi: 10.48550/arxiv.1207.7130 · pith_short_12: NZWSDO3ZFBZI · pith_short_16: NZWSDO3ZFBZIWUIC · pith_short_8: NZWSDO3Z

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/NZWSDO3ZFBZIWUICCKU577E7SO \
  | 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: 6e6d21bb7928728b510212a9dffc9f93b0b5f200101daf68603564eb4d1f3a7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b1e3855e50b5c5f9b0835fbd3d445aa9baa4cf99f1c81fd5858d90aa997c80",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-07-30T23:12:53Z",
    "title_canon_sha256": "ba9f460615e50555fb0ae040b7c9d2d72030e98615071548246172720b7b575a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7130",
    "kind": "arxiv",
    "version": 1
  }
}