Pith Number

pith:UVT5EL7T

pith:2008:UVT5EL7T7PXHE6NMMKLT2QDMJ4

not attested not anchored not stored refs pending

Perturbed affine arithmetic for invariant computation in numerical program analysis

Eric Goubault, Sylvie Putot

arxiv:0807.2961 v1 · 2008-07-18 · cs.LO · cs.NA · math.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{UVT5EL7T7PXHE6NMMKLT2QDMJ4}

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	2026-06-03T22:06:08.193543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a567d22ff3fbee7279ac62973d406c4f04cc4e9d29edc6f32d3da3b95b1dbdd3

Aliases

arxiv: 0807.2961 · arxiv_version: 0807.2961v1 · doi: 10.48550/arxiv.0807.2961 · pith_short_12: UVT5EL7T7PXH · pith_short_16: UVT5EL7T7PXHE6NM · pith_short_8: UVT5EL7T

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/UVT5EL7T7PXHE6NMMKLT2QDMJ4 \
  | 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: a567d22ff3fbee7279ac62973d406c4f04cc4e9d29edc6f32d3da3b95b1dbdd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0745738a28b8841e3df04872a29338edfe6deb4bb4c767796e4e8e5bb7c29ac5",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-07-18T12:41:52Z",
    "title_canon_sha256": "522557350d5ad455c66a45bb673ce110377b6237c672dd54647bc3a9f0c3e603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2961",
    "kind": "arxiv",
    "version": 1
  }
}