Pith Number

pith:XHXIJ5J2

pith:2009:XHXIJ5J2QRJK72QOTDWRGBKL3O

not attested not anchored not stored refs pending

Geometry of Polynomials and Root-Finding via Path-Lifting

Marco Martens, Myong-Hi Kim, Scott Sutherland

arxiv:0903.3674 v3 · 2009-03-21 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHXIJ5J2QRJK72QOTDWRGBKL3O}

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	2026-05-18T00:26:47.688619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9ee84f53a8452afea0e98ed13054bdbbb54c5351e1fa6f3ad3e4dfaf9e15928

Aliases

arxiv: 0903.3674 · arxiv_version: 0903.3674v3 · doi: 10.48550/arxiv.0903.3674 · pith_short_12: XHXIJ5J2QRJK · pith_short_16: XHXIJ5J2QRJK72QO · pith_short_8: XHXIJ5J2

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/XHXIJ5J2QRJK72QOTDWRGBKL3O \
  | 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: b9ee84f53a8452afea0e98ed13054bdbbb54c5351e1fa6f3ad3e4dfaf9e15928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414336169246ff74dcc4fb9607a5f4f5eefd313b29453c4074dfb8402d89265e",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-03-21T17:26:01Z",
    "title_canon_sha256": "ca94b953f1f0326ac3314b270cc68fdaafc7c511e9d519c91d1eb7e837ef2b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3674",
    "kind": "arxiv",
    "version": 3
  }
}