Pith Number

pith:T3XG5JQO

pith:2013:T3XG5JQO32ID3DFDGU6C7UJ2FU

not attested not anchored not stored refs pending

New Variables for Classical and Quantum Gravity in all Dimensions V. Isolated Horizon Boundary Degrees of Freedom

Andreas Thurn, Norbert Bodendorfer, Thomas Thiemann

arxiv:1304.2679 v2 · 2013-04-09 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3XG5JQO32ID3DFDGU6C7UJ2FU}

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	2026-05-18T02:33:01.546491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eee6ea60ede903d8ca3353c2fd13a2d346b68f841a61e88c5cf687831172fc5

Aliases

arxiv: 1304.2679 · arxiv_version: 1304.2679v2 · doi: 10.48550/arxiv.1304.2679 · pith_short_12: T3XG5JQO32ID · pith_short_16: T3XG5JQO32ID3DFD · pith_short_8: T3XG5JQO

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/T3XG5JQO32ID3DFDGU6C7UJ2FU \
  | 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: 9eee6ea60ede903d8ca3353c2fd13a2d346b68f841a61e88c5cf687831172fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c84c0ff025803a8d1e54523b07ad75ec178c8952c272cf2ae9dbe290bc37cde",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-09T18:00:34Z",
    "title_canon_sha256": "2e8e294493e3619f152b51ae4b8e0e9351ee6b48fe5189ecf962f743c4b2f6bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2679",
    "kind": "arxiv",
    "version": 2
  }
}