Pith Number

pith:KOV2BAGR

pith:2026:KOV2BAGRNOR4UBKS2KWXUHUKM4

not attested not anchored not stored refs pending

A New Algorithm for Totally Positive Approximations

Lutz Duembgen, Philip Stange

arxiv:2606.22622 v1 · 2026-06-21 · stat.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{KOV2BAGRNOR4UBKS2KWXUHUKM4}

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	2026-06-23T02:13:43.330949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53aba080d16ba3ca0552d2ad7a1e8a67082cec03605e585ecc9a2e75599d066c

Aliases

arxiv: 2606.22622 · arxiv_version: 2606.22622v1 · doi: 10.48550/arxiv.2606.22622 · pith_short_12: KOV2BAGRNOR4 · pith_short_16: KOV2BAGRNOR4UBKS · pith_short_8: KOV2BAGR

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/KOV2BAGRNOR4UBKS2KWXUHUKM4 \
  | 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: 53aba080d16ba3ca0552d2ad7a1e8a67082cec03605e585ecc9a2e75599d066c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50eb0fc5047a644384774ece5744eb5bf852940929ae6b615439671b196e766c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2026-06-21T18:07:19Z",
    "title_canon_sha256": "4c822a7db2e8e63c6898aa4260bcfaa76e4481aeeddc7ab6f6e33794f3b65cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22622",
    "kind": "arxiv",
    "version": 1
  }
}