Pith Number

pith:MZOCCJFK

pith:2018:MZOCCJFKR5DL4TTTQIXLCB7LOQ

not attested not anchored not stored refs pending

Cosmological solutions to polynomial affine gravity in the torsion-free sector

Jos\'e Perdiguero, Oscar Castillo-Felisola, Oscar Orellana

arxiv:1808.05970 v2 · 2018-08-17 · gr-qc · hep-th · 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{MZOCCJFKR5DL4TTTQIXLCB7LOQ}

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	2026-05-17T23:48:58.037204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665c2124aa8f46be4e73822eb107eb743d6a40206179dda6f8ffc1694ecad426

Aliases

arxiv: 1808.05970 · arxiv_version: 1808.05970v2 · doi: 10.48550/arxiv.1808.05970 · pith_short_12: MZOCCJFKR5DL · pith_short_16: MZOCCJFKR5DL4TTT · pith_short_8: MZOCCJFK

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/MZOCCJFKR5DL4TTTQIXLCB7LOQ \
  | 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: 665c2124aa8f46be4e73822eb107eb743d6a40206179dda6f8ffc1694ecad426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a0f55c82a09fdb43a2697343d0f827da34d9cc158832c1f862ac9508b1e473b",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-17T19:02:43Z",
    "title_canon_sha256": "bbf953e498e8ef3336d756707acec9f52f24fce22025d0ed15d23803ba4b486c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05970",
    "kind": "arxiv",
    "version": 2
  }
}