Pith Number

pith:4JJQ2BI3

pith:2021:4JJQ2BI3FDX2INA233UMBOQSH6

not attested not anchored not stored refs pending

Hybrid minimization algorithm for computationally expensive multi-dimensional fitting

Evgenii Rubtsov, Igor Chilingarian, Ivan Katkov, Kirill Grishin, Sviatoslav Borisov, Vladimir Goradzhanov

arxiv:2112.03413 v1 · 2021-12-06 · 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{4JJQ2BI3FDX2INA233UMBOQSH6}

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	2026-07-05T03:38:45.143367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2530d051b28efa4341adee8c0ba123f8d0cb206702f6adecc8f67e81ed6ede1

Aliases

arxiv: 2112.03413 · arxiv_version: 2112.03413v1 · doi: 10.48550/arxiv.2112.03413 · pith_short_12: 4JJQ2BI3FDX2 · pith_short_16: 4JJQ2BI3FDX2INA2 · pith_short_8: 4JJQ2BI3

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/4JJQ2BI3FDX2INA233UMBOQSH6 \
  | 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: e2530d051b28efa4341adee8c0ba123f8d0cb206702f6adecc8f67e81ed6ede1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c81aea7ec3b1f6772303d2f02d5f18ee20412a0e9eead0d6f3d2b1baa9b3e2ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-06T23:09:49Z",
    "title_canon_sha256": "ee228bcc5033c1b88cc8715a67fbd19e118609bd7a240ab46d44bbc9c6337752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03413",
    "kind": "arxiv",
    "version": 1
  }
}