Pith Number

pith:4X7Z3H7A

pith:2012:4X7Z3H7AF7CO452YCXPCDFPI5M

not attested not anchored not stored refs pending

Anisotropic fluid for a set of non-diagonal tetrads in f(T) gravity

Manuel E. Rodrigues, M. Hamani Daouda, M. J. S. Houndjo

arxiv:1202.1147 v2 · 2012-02-06 · gr-qc · astro-ph.CO · 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{4X7Z3H7AF7CO452YCXPCDFPI5M}

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	2026-05-18T03:48:47.978076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ff9d9fe02fc4ee775815de2195e8eb31e0d5a47ae242f8d0f2e5079ebd3866

Aliases

arxiv: 1202.1147 · arxiv_version: 1202.1147v2 · doi: 10.48550/arxiv.1202.1147 · pith_short_12: 4X7Z3H7AF7CO · pith_short_16: 4X7Z3H7AF7CO452Y · pith_short_8: 4X7Z3H7A

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/4X7Z3H7AF7CO452YCXPCDFPI5M \
  | 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: e5ff9d9fe02fc4ee775815de2195e8eb31e0d5a47ae242f8d0f2e5079ebd3866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402d2cbd253b440262bef922c0de6f903e2b9e2d176935205e8edda745d2535e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-06T14:18:20Z",
    "title_canon_sha256": "440ce5e5d290b412afc2886fc65bec58bacea56759c7cf7a349188abd6490652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1147",
    "kind": "arxiv",
    "version": 2
  }
}