Pith Number

pith:MPMJCQGV

pith:2024:MPMJCQGVWQJJVACJJOAIYBCRJ7

not attested not anchored not stored refs pending

Conversations in the dark: cross-correlating birefringence and LSS to constrain axions

A. Greco, A. Gruppuso, M. Lattanzi, N. Bartolo, P. Natoli, S. Arcari

arxiv:2407.02144 v2 · 2024-07-02 · astro-ph.CO · 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{MPMJCQGVWQJJVACJJOAIYBCRJ7}

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	2026-07-05T09:30:18.242204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d89140d5b4129a80494b808c04514fe163fcec001104579719057f91c30c80

Aliases

arxiv: 2407.02144 · arxiv_version: 2407.02144v2 · doi: 10.48550/arxiv.2407.02144 · pith_short_12: MPMJCQGVWQJJ · pith_short_16: MPMJCQGVWQJJVACJ · pith_short_8: MPMJCQGV

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/MPMJCQGVWQJJVACJJOAIYBCRJ7 \
  | 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: 63d89140d5b4129a80494b808c04514fe163fcec001104579719057f91c30c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e02ed35d3e10c2ff37792fbbf1b1603c95a3d8051943417e231d0c91b329752a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-07-02T10:38:08Z",
    "title_canon_sha256": "29cf86d5cb828dc3c6b9c85fd2dc0b6acc0c5d873280cde54656421245270397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.02144",
    "kind": "arxiv",
    "version": 2
  }
}