Pith Number

pith:B4M74RTD

pith:2012:B4M74RTDVRAHFAYIIYFGKMGHNN

not attested not anchored not stored refs pending

Cosmology of a Scalar Field Coupled to Matter and an Isotropy-Violating Maxwell Field

David F. Mota, Mikjel Thorsrud, Sigbj{\o}rn Hervik

arxiv:1205.6261 v2 · 2012-05-29 · hep-th · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4M74RTDVRAHFAYIIYFGKMGHNN}

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	2026-05-18T02:21:09.296086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f19fe4663ac40728308460a6530c76b70900d61f716e051bb1cf1925a3c21a5

Aliases

arxiv: 1205.6261 · arxiv_version: 1205.6261v2 · doi: 10.48550/arxiv.1205.6261 · pith_short_12: B4M74RTDVRAH · pith_short_16: B4M74RTDVRAHFAYI · pith_short_8: B4M74RTD

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/B4M74RTDVRAHFAYIIYFGKMGHNN \
  | 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: 0f19fe4663ac40728308460a6530c76b70900d61f716e051bb1cf1925a3c21a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23c301ea9844864eb0647bd66253f944e5b87e44e4b5e6d98d257d15a7a06b8b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-05-29T04:29:28Z",
    "title_canon_sha256": "c80e623eaeb37147b2299700b3ccd48ae33369f3774e7b97b97dd7db5346797e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6261",
    "kind": "arxiv",
    "version": 2
  }
}