Pith Number

pith:3334MSYF

pith:2011:3334MSYFWCPXO3QQR7TAR65BVD

not attested not anchored not stored refs pending

Root Refinement for Real Polynomials

Michael Kerber, Michael Sagraloff

arxiv:1104.1362 v3 · 2011-04-07 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3334MSYFWCPXO3QQR7TAR65BVD}

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	2026-05-18T02:22:10.497610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

def7c64b05b09f776e108fe608fba1a8fa9f2e3e5b9a6c3d45005de78e6a02bb

Aliases

arxiv: 1104.1362 · arxiv_version: 1104.1362v3 · doi: 10.48550/arxiv.1104.1362 · pith_short_12: 3334MSYFWCPX · pith_short_16: 3334MSYFWCPXO3QQ · pith_short_8: 3334MSYF

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/3334MSYFWCPXO3QQR7TAR65BVD \
  | 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: def7c64b05b09f776e108fe608fba1a8fa9f2e3e5b9a6c3d45005de78e6a02bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43b0a5990f114d5a24faff0f3168ccacaff2dcfadcaa22a54b5d8a9032b31e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2011-04-07T15:46:11Z",
    "title_canon_sha256": "64dd30d933b78e9ea65b0cbcd08257b81a1b0c16732a63679dfd86cfdea7342b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1362",
    "kind": "arxiv",
    "version": 3
  }
}