Pith Number

pith:UCSC4NLS

pith:2011:UCSC4NLSAHEBT64MMBKOOIDNQG

not attested not anchored not stored refs pending

Perturbative Quantum Gravity on Complex Spacetime

Mir Faizal

arxiv:1109.3443 v2 · 2011-09-15 · 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{UCSC4NLSAHEBT64MMBKOOIDNQG}

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	2026-05-18T02:00:32.319181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a42e357201c819fb8c6054e7206d81909f2a83967d9d6af655c9cf6fb46b83

Aliases

arxiv: 1109.3443 · arxiv_version: 1109.3443v2 · doi: 10.48550/arxiv.1109.3443 · pith_short_12: UCSC4NLSAHEB · pith_short_16: UCSC4NLSAHEBT64M · pith_short_8: UCSC4NLS

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/UCSC4NLSAHEBT64MMBKOOIDNQG \
  | 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: a0a42e357201c819fb8c6054e7206d81909f2a83967d9d6af655c9cf6fb46b83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7420980535c557d92bf64bd837cb46efc1ee09f8f9467ad311327400e5c65bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-15T19:50:05Z",
    "title_canon_sha256": "acbeaf1b0223edd24a52a4a50ab3f21d0146da4239d56891f8e723b14690f303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3443",
    "kind": "arxiv",
    "version": 2
  }
}