Pith Number

pith:HF2ZYG2A

pith:2008:HF2ZYG2AVC5AEN3ZFA6IALXHEA

not attested not anchored not stored refs pending

An algebraic approach to the set of intervals (a new approach of arithmetic of intervals)

Elisabeth Remm, Nicolas Goze

arxiv:0809.5173 v2 · 2008-09-30 · cs.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{HF2ZYG2AVC5AEN3ZFA6IALXHEA}

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	2026-06-03T22:06:10.378306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39759c1b40a8ba023779283c802ee7203930392f6e718549a81cd6f85028ea36

Aliases

arxiv: 0809.5173 · arxiv_version: 0809.5173v2 · doi: 10.48550/arxiv.0809.5173 · pith_short_12: HF2ZYG2AVC5A · pith_short_16: HF2ZYG2AVC5AEN3Z · pith_short_8: HF2ZYG2A

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/HF2ZYG2AVC5AEN3ZFA6IALXHEA \
  | 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: 39759c1b40a8ba023779283c802ee7203930392f6e718549a81cd6f85028ea36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6962bae9edf654436a907aa2f0a23ed9eec246f5fd3399a08732a507cec831",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2008-09-30T11:45:01Z",
    "title_canon_sha256": "8f5f9b81bdb583bc50cb5758617fdd25c80fbc97c9d8c0f0435ac0aace6afa12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.5173",
    "kind": "arxiv",
    "version": 2
  }
}