Pith Number

pith:GAL6XZ7G

pith:2019:GAL6XZ7GUIFKKQBB3OE3ZNSTFX

not attested not anchored not stored refs pending

Noether Symmetries of Two-Field Cosmological Models

Calin Iuliu Lazaroiu, Elena Mirela Babalic, Lilia Anguelova

arxiv:1910.08441 v1 · 2019-10-18 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAL6XZ7GUIFKKQBB3OE3ZNSTFX}

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	2026-07-05T00:57:10.146738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3017ebe7e6a20aa54021db89bcb6532ddb5cbed9ab2dbc69a7288b2af4ff44dc

Aliases

arxiv: 1910.08441 · arxiv_version: 1910.08441v1 · doi: 10.48550/arxiv.1910.08441 · pith_short_12: GAL6XZ7GUIFK · pith_short_16: GAL6XZ7GUIFKKQBB · pith_short_8: GAL6XZ7G

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/GAL6XZ7GUIFKKQBB3OE3ZNSTFX \
  | 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: 3017ebe7e6a20aa54021db89bcb6532ddb5cbed9ab2dbc69a7288b2af4ff44dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68a9a4e065e69b439f967cfcf1cc480c570e4430e0762b73b28e9b890e111205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-10-18T14:34:03Z",
    "title_canon_sha256": "540eed00b93a583d3ec81ede8a4f776f020c9b2a6b9b52399e4a96a0ce49afe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08441",
    "kind": "arxiv",
    "version": 1
  }
}