Pith Number

pith:HHO2BEP6

pith:2005:HHO2BEP6IMB4YUVDN35VMFVDCM

not attested not anchored not stored refs pending

Feasibility of a Unitary Quantum Dynamics in the Gowdy $T^3$ Cosmological Model

Guillermo A. Mena Marugan, Jeronimo Cortez

arxiv:gr-qc/0507139 v2 · 2005-07-29 · 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{HHO2BEP6IMB4YUVDN35VMFVDCM}

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	2026-05-18T01:39:20.468367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39dda091fe4303cc52a36efb5616a3130305d3c79553e1968103f262af97060f

Aliases

arxiv: gr-qc/0507139 · arxiv_version: gr-qc/0507139v2 · doi: 10.48550/arxiv.gr-qc/0507139 · pith_short_12: HHO2BEP6IMB4 · pith_short_16: HHO2BEP6IMB4YUVD · pith_short_8: HHO2BEP6

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/HHO2BEP6IMB4YUVDN35VMFVDCM \
  | 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: 39dda091fe4303cc52a36efb5616a3130305d3c79553e1968103f262af97060f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2b66099a7aa89625615306cc6a11b2691186315e2792b60f3215b7d22a054d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-07-29T16:14:06Z",
    "title_canon_sha256": "929361fb995e80a5c51395c352d364a6406916cac44dc4ed7e2cd23a9992ad58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0507139",
    "kind": "arxiv",
    "version": 2
  }
}