Pith Number

pith:4YVRUXLC

pith:2012:4YVRUXLC6IJCFWYLUNPZ2PRJ2B

not attested not anchored not stored refs pending

Stochastic Background of Gravitational Waves from Fermions

Daniel G. Figueroa, Kari Enqvist, Tuukka Meriniemi

arxiv:1203.4943 v1 · 2012-03-22 · astro-ph.CO · gr-qc · hep-ph · 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{4YVRUXLC6IJCFWYLUNPZ2PRJ2B}

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	2026-05-18T01:58:04.686064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e62b1a5d62f21222db0ba35f9d3e29d0692c2de8f0b34f6005a8ca913f24e2c1

Aliases

arxiv: 1203.4943 · arxiv_version: 1203.4943v1 · doi: 10.48550/arxiv.1203.4943 · pith_short_12: 4YVRUXLC6IJC · pith_short_16: 4YVRUXLC6IJCFWYL · pith_short_8: 4YVRUXLC

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/4YVRUXLC6IJCFWYLUNPZ2PRJ2B \
  | 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: e62b1a5d62f21222db0ba35f9d3e29d0692c2de8f0b34f6005a8ca913f24e2c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c40aa001f46fe488605a64810827fb6b5e51638c914f6418c622ce1ba51e988",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-22T10:02:22Z",
    "title_canon_sha256": "0e2d6d4dfefebd4cd83efa10d31a742146e9e3f48d1d2c480000fe4d6e04f81f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4943",
    "kind": "arxiv",
    "version": 1
  }
}