Pith Number

pith:T5UOE6S2

pith:2019:T5UOE6S2KZP5I4HPY33B5C356V

not attested not anchored not stored refs pending

Quantum Geometry I : Basics of Loop Quantum Gravity. The Quantum Polyhedra

J. Manuel Garcia-Islas

arxiv:1902.05709 v1 · 2019-02-15 · 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{T5UOE6S2KZP5I4HPY33B5C356V}

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	2026-05-17T23:53:56.429851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f68e27a5a565fd470efc6f61e8b7df571f3dc87c1f3336e6f0f8f8269b3a9ed

Aliases

arxiv: 1902.05709 · arxiv_version: 1902.05709v1 · doi: 10.48550/arxiv.1902.05709 · pith_short_12: T5UOE6S2KZP5 · pith_short_16: T5UOE6S2KZP5I4HP · pith_short_8: T5UOE6S2

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/T5UOE6S2KZP5I4HPY33B5C356V \
  | 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: 9f68e27a5a565fd470efc6f61e8b7df571f3dc87c1f3336e6f0f8f8269b3a9ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1957ef27d6f05f2d710161c0c476d4e0389c549fbd23ee5f7973a79cd705e429",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-15T07:21:56Z",
    "title_canon_sha256": "ee2480dfdc9857df5234b4446fa9d270c67ab21b7d3a11578b9a1c34afec0ef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05709",
    "kind": "arxiv",
    "version": 1
  }
}