Pith Number

pith:C6YODDYA

pith:1997:C6YODDYAAQXZALRDHCKYX5ZX3L

not attested not anchored not stored refs pending

Towards Optimal Measurement of Power Spectra II: A Basis of Positive, Compact, Statistically Orthogonal Kernels

A. J. S. Hamilton

arxiv:astro-ph/9701009 v1 · 1997-01-04 · astro-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{C6YODDYAAQXZALRDHCKYX5ZX3L}

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	2026-05-18T01:40:18.457939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17b0e18f00042f902e2338958bf737dadfa2499869a8b7d9872599ce7f3d9832

Aliases

arxiv: astro-ph/9701009 · arxiv_version: astro-ph/9701009v1 · doi: 10.48550/arxiv.astro-ph/9701009 · pith_short_12: C6YODDYAAQXZ · pith_short_16: C6YODDYAAQXZALRD · pith_short_8: C6YODDYA

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/C6YODDYAAQXZALRDHCKYX5ZX3L \
  | 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: 17b0e18f00042f902e2338958bf737dadfa2499869a8b7d9872599ce7f3d9832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a4823623b28f69864cee3ab2b92e82576930b1af86eac9d9f6feb85fa1ccefc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-04T00:07:49Z",
    "title_canon_sha256": "9b5089a8f89609dec87791a0b5229066bc806b178f9a411228b7eca449298fc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701009",
    "kind": "arxiv",
    "version": 1
  }
}