Pith Number

pith:ECHWAOTL

pith:2017:ECHWAOTLOPDOSHYJNT6H7LMDW5

not attested not anchored not stored refs pending

On the regularity of the covariance matrix of a discretized scalar field on the sphere

D. Herranz, E. Mart\'inez-Gonz\'alez, J.D. Bilbao-Ahedo, P. Vielva, R.B. Barreiro

arxiv:1701.06617 v2 · 2017-01-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECHWAOTLOPDOSHYJNT6H7LMDW5}

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	2026-05-18T00:46:37.861861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208f603a6b73c6e91f096cfc7fad83b7759596709ba6816180919483b0858c53

Aliases

arxiv: 1701.06617 · arxiv_version: 1701.06617v2 · doi: 10.48550/arxiv.1701.06617 · pith_short_12: ECHWAOTLOPDO · pith_short_16: ECHWAOTLOPDOSHYJ · pith_short_8: ECHWAOTL

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/ECHWAOTLOPDOSHYJNT6H7LMDW5 \
  | 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: 208f603a6b73c6e91f096cfc7fad83b7759596709ba6816180919483b0858c53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ecaf76817b7255c6e7fc8bcb6c3dd7b62f37bcbc0a92ab85145c50b17488675",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-01-23T20:21:56Z",
    "title_canon_sha256": "c708ff3ed7d9ab6eaef5ee6c06336a13db26aabde8dba5dbeb78b20d78be065d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06617",
    "kind": "arxiv",
    "version": 2
  }
}