Pith Number

pith:EBLDS3FO

pith:2016:EBLDS3FOUPZDTXVKGJEVRAF2T5

not attested not anchored not stored refs pending

Noncommutative spherically symmetric spacetimes at semiclassical order

Christopher Fritz, Shahn Majid

arxiv:1611.04971 v1 · 2016-11-15 · gr-qc · hep-th · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBLDS3FOUPZDTXVKGJEVRAF2T5}

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	2026-05-18T00:41:38.497245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2056396caea3f239deaa32495880ba9f7d592a49240b4ecf870ec9e948b08316

Aliases

arxiv: 1611.04971 · arxiv_version: 1611.04971v1 · doi: 10.48550/arxiv.1611.04971 · pith_short_12: EBLDS3FOUPZD · pith_short_16: EBLDS3FOUPZDTXVK · pith_short_8: EBLDS3FO

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/EBLDS3FOUPZDTXVKGJEVRAF2T5 \
  | 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: 2056396caea3f239deaa32495880ba9f7d592a49240b4ecf870ec9e948b08316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa25cc33e9e4fda64f1dec0044c3283935fa54474cbbb91b196f1930c789941e",
    "cross_cats_sorted": [
      "hep-th",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-11-15T18:12:02Z",
    "title_canon_sha256": "0c99e58f4d38c1d86a3bc62fef652b3b18d9b188e0d093de02c7b6e32edab797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04971",
    "kind": "arxiv",
    "version": 1
  }
}