Pith Number

pith:5TL7AHCR

pith:2014:5TL7AHCRYJYGC76ZGLGXVWWQZO

not attested not anchored not stored refs pending

Modeling effective FRW cosmologies with perfect fluids from states of the hybrid quantum Gowdy model

Beatriz Elizaga Navascu\'es, Guillermo A. Mena Marug\'an, Mercedes Mart\'in-Benito

arxiv:1409.2927 v2 · 2014-09-10 · 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{5TL7AHCRYJYGC76ZGLGXVWWQZO}

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	2026-05-18T01:42:05.689800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecd7f01c51c270617fd932cd7adad0cba7f67f86bba3134a883574f67095afc1

Aliases

arxiv: 1409.2927 · arxiv_version: 1409.2927v2 · doi: 10.48550/arxiv.1409.2927 · pith_short_12: 5TL7AHCRYJYG · pith_short_16: 5TL7AHCRYJYGC76Z · pith_short_8: 5TL7AHCR

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/5TL7AHCRYJYGC76ZGLGXVWWQZO \
  | 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: ecd7f01c51c270617fd932cd7adad0cba7f67f86bba3134a883574f67095afc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d885c1b9ee5496f25a47be0288f16cb6589384cbd2edb3fbf8e44010a19f4d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-10T00:41:44Z",
    "title_canon_sha256": "02638e237680e092f0fd3fb168af1a58f80e857855f413017e88efa27a0fc8ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2927",
    "kind": "arxiv",
    "version": 2
  }
}