Pith Number

pith:6BNFCZAU

pith:2025:6BNFCZAUHBHMJ4FDXN4O7UIBNM

not attested not anchored not stored refs pending

An Alternate Method for Minimizing $\chi^2$

Andrew P. Gould, Jennifer C. Yee

arxiv:2502.04486 v1 · 2025-02-06 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BNFCZAUHBHMJ4FDXN4O7UIBNM}

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	2026-07-05T10:10:52.457440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f05a516414384ec4f0a3bb78efd1016b39c720e8905b4ce9d0db371fecebfb14

Aliases

arxiv: 2502.04486 · arxiv_version: 2502.04486v1 · doi: 10.48550/arxiv.2502.04486 · pith_short_12: 6BNFCZAUHBHM · pith_short_16: 6BNFCZAUHBHMJ4FD · pith_short_8: 6BNFCZAU

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/6BNFCZAUHBHMJ4FDXN4O7UIBNM \
  | 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: f05a516414384ec4f0a3bb78efd1016b39c720e8905b4ce9d0db371fecebfb14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36e27e858feb2b7e7b4f0918bd82967501a6dbea5320e2d9e5cdec355431cdc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-06T20:20:51Z",
    "title_canon_sha256": "ee2c1d6e4046b2fa18c0d81ecc9790b5b19e755c1300edf6b04754036cb3963f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04486",
    "kind": "arxiv",
    "version": 1
  }
}