Pith Number

pith:IEVSAXXN

pith:2005:IEVSAXXNIE35BY3G3CXZPCOIFK

not attested not anchored not stored refs pending

A Model for Understanding Numerical Stability

Folkmar Bornemann

arxiv:math/0503100 v1 · 2005-03-05 · 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{IEVSAXXNIE35BY3G3CXZPCOIFK}

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	2026-06-03T22:06:16.555090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412b205eed4137d0e366d8af9789c82aa7b94f8e2694e31cb7eb76d061d6fffc

Aliases

arxiv: math/0503100 · arxiv_version: math/0503100v1 · doi: 10.48550/arxiv.math/0503100 · pith_short_12: IEVSAXXNIE35 · pith_short_16: IEVSAXXNIE35BY3G · pith_short_8: IEVSAXXN

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/IEVSAXXNIE35BY3G3CXZPCOIFK \
  | 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: 412b205eed4137d0e366d8af9789c82aa7b94f8e2694e31cb7eb76d061d6fffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eee3db0acf2660f09fdd23e0fae08c74c6def6cd4f927cdacc3f355f46c60d5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2005-03-05T14:02:30Z",
    "title_canon_sha256": "9d26586bde61006148401e93a4a24a34a25c15b0c90a52f042b3439d3d31858f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503100",
    "kind": "arxiv",
    "version": 1
  }
}