Pith Number

pith:M4L3H2BQ

pith:2015:M4L3H2BQ6ATSKPPFNAZCLOWAVK

not attested not anchored not stored refs pending

Numerical instability of resultant methods for multidimensional rootfinding

Alex Townsend, Vanni Noferini

arxiv:1507.00272 v3 · 2015-07-01 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4L3H2BQ6ATSKPPFNAZCLOWAVK}

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	2026-05-18T01:23:08.362956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6717b3e830f027253de5683225bac0aaaaadad9c92f83240c647084ffdb88fe8

Aliases

arxiv: 1507.00272 · arxiv_version: 1507.00272v3 · doi: 10.48550/arxiv.1507.00272 · pith_short_12: M4L3H2BQ6ATS · pith_short_16: M4L3H2BQ6ATSKPPF · pith_short_8: M4L3H2BQ

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/M4L3H2BQ6ATSKPPFNAZCLOWAVK \
  | 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: 6717b3e830f027253de5683225bac0aaaaadad9c92f83240c647084ffdb88fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8487cfddb83e08ad8b88a551cc92fd99e373b70530f491da8043b679e9c8ec57",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-01T16:00:40Z",
    "title_canon_sha256": "1938d877cbecdd1b4c7908d0cdb0ba48cf814c9598fc1dae8c0780dd934321e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00272",
    "kind": "arxiv",
    "version": 3
  }
}