Pith Number

pith:VTZXDLTC

pith:2009:VTZXDLTCP2FDCYKCZVWT5QBYDN

not attested not anchored not stored refs pending

Stability Conditions For a Noncommutative Scalar Field Coupled to Gravity via the Positive Energy Theorem

Carlos A. D. Zarro, Orfeu Bertolami

arxiv:0910.3886 v1 · 2009-10-20 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTZXDLTCP2FDCYKCZVWT5QBYDN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:18.055403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf371ae627e8a316142cd6d3ec0381b4d86929049d08381eddfe737907b31c1

Aliases

arxiv: 0910.3886 · arxiv_version: 0910.3886v1 · doi: 10.48550/arxiv.0910.3886 · pith_short_12: VTZXDLTCP2FD · pith_short_16: VTZXDLTCP2FDCYKC · pith_short_8: VTZXDLTC

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/VTZXDLTCP2FDCYKCZVWT5QBYDN \
  | 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: acf371ae627e8a316142cd6d3ec0381b4d86929049d08381eddfe737907b31c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0372121ec75be37f58e7901a3bc5c0426f35694001cef40e4fc1e2da57a6d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-10-20T15:49:22Z",
    "title_canon_sha256": "f171cc6178aa7b6831077da5aa2622d5be7a89637031bdba98b0f0f478f78c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3886",
    "kind": "arxiv",
    "version": 1
  }
}