Pith Number

pith:BASGO2Z5

pith:2009:BASGO2Z5RZ6PQWPTWDL4E6AYHH

not attested not anchored not stored refs pending

Towards Canonical Quantum Gravity for Geometries Admitting Maximally Symmetric Two-dimensional Surfaces

A. Spanou, E. Melas, G. Doulis, G.O. Papadopoulos, Petros A. Terzis, T. Christodoulakis, Th. Grammenos

arxiv:0901.4910 v1 · 2009-01-30 · 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{BASGO2Z5RZ6PQWPTWDL4E6AYHH}

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	2026-05-18T03:26:39.863926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0824676b3d8e7cf859f3b0d7c2781839d080f3c542a674106b475fc45c704255

Aliases

arxiv: 0901.4910 · arxiv_version: 0901.4910v1 · doi: 10.48550/arxiv.0901.4910 · pith_short_12: BASGO2Z5RZ6P · pith_short_16: BASGO2Z5RZ6PQWPT · pith_short_8: BASGO2Z5

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/BASGO2Z5RZ6PQWPTWDL4E6AYHH \
  | 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: 0824676b3d8e7cf859f3b0d7c2781839d080f3c542a674106b475fc45c704255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b626fd55502b7e6c5c67f17f383ede260a85828ee8261655e05fe2a9b2f5631",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-30T15:29:45Z",
    "title_canon_sha256": "b6233940d3f6a2fba49d9134e82aedaeed6c3571857fa5451c7b446826503c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4910",
    "kind": "arxiv",
    "version": 1
  }
}