Pith Number

pith:SPFYVLKI

pith:2011:SPFYVLKIV3JVRLOPVJXOQENWYZ

not attested not anchored not stored refs pending

Effective dynamics of the hybrid quantization of the Gowdy T^3 universe

David Brizuela, Guillermo A. Mena Marugan, Tomasz Pawlowski

arxiv:1106.3793 v1 · 2011-06-20 · 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{SPFYVLKIV3JVRLOPVJXOQENWYZ}

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	2026-05-18T02:38:46.470771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93cb8aad48aed358adcfaa6ee811b6c6627e0df55ca9738b9434cec7f21fb59c

Aliases

arxiv: 1106.3793 · arxiv_version: 1106.3793v1 · doi: 10.48550/arxiv.1106.3793 · pith_short_12: SPFYVLKIV3JV · pith_short_16: SPFYVLKIV3JVRLOP · pith_short_8: SPFYVLKI

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/SPFYVLKIV3JVRLOPVJXOQENWYZ \
  | 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: 93cb8aad48aed358adcfaa6ee811b6c6627e0df55ca9738b9434cec7f21fb59c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b7a302915d559e0e0667360f50abdcd7881d8cbcd9b43320bf49ab4e71a9cfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-20T01:24:49Z",
    "title_canon_sha256": "8e2e41623680291ea2aab124eeab6f1461c2e878af48e2f4fcf627f00cb382ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3793",
    "kind": "arxiv",
    "version": 1
  }
}