Pith Number

pith:ODLPU27Z

pith:2017:ODLPU27ZDENE7DWJMIRGV2SR7Q

not attested not anchored not stored refs pending

From an Action Principle for Action-dependent Lagrangians toward non-conservative Gravity: accelerating Universe without dark energy

Gast\~ao S. F. Frederico, Jo\~ao T. S. Amaral, Juilson Paiva, Matheus J. Lazo

arxiv:1705.04604 v1 · 2017-05-12 · gr-qc · 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{ODLPU27ZDENE7DWJMIRGV2SR7Q}

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	2026-05-18T00:41:32.715806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d6fa6bf9191a4f8ec962226aea51fc3fc180a2b1c7c33b404fb1d9ec646cc7

Aliases

arxiv: 1705.04604 · arxiv_version: 1705.04604v1 · doi: 10.48550/arxiv.1705.04604 · pith_short_12: ODLPU27ZDENE · pith_short_16: ODLPU27ZDENE7DWJ · pith_short_8: ODLPU27Z

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/ODLPU27ZDENE7DWJMIRGV2SR7Q \
  | 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: 70d6fa6bf9191a4f8ec962226aea51fc3fc180a2b1c7c33b404fb1d9ec646cc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c5cad5ffefa2c53ac8498f8275f41b0af786b789d9882453d63ea21f86c4b4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-12T14:47:32Z",
    "title_canon_sha256": "0d258c56138b4f7e0ff5e00863d2b74fa9e9cadbba7dc686b190072591ec16d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04604",
    "kind": "arxiv",
    "version": 1
  }
}