Pith Number

pith:RQWP4RRL

pith:2012:RQWP4RRL7YYEWCBTXXAJSDI6AA

not attested not anchored not stored refs pending

Divided Differences of Implicit Functions

Georg Muntingh, Michael S. Floater

arxiv:1202.5443 v1 · 2012-02-24 · math.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQWP4RRL7YYEWCBTXXAJSDI6AA}

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	2026-05-18T04:01:37.137170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2cfe462bfe304b0833bdc0990d1e000d6602d2977d2d51b91c9305713f91e8

Aliases

arxiv: 1202.5443 · arxiv_version: 1202.5443v1 · doi: 10.48550/arxiv.1202.5443 · pith_short_12: RQWP4RRL7YYE · pith_short_16: RQWP4RRL7YYEWCBT · pith_short_8: RQWP4RRL

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/RQWP4RRL7YYEWCBTXXAJSDI6AA \
  | 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: 8c2cfe462bfe304b0833bdc0990d1e000d6602d2977d2d51b91c9305713f91e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e93a95b187e1e3bd7e66d06a6048bf36efdda8f73ad83d3fdf5d731bcfde487",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-02-24T13:17:09Z",
    "title_canon_sha256": "e7b875cb7611f166b52f6c38a86d74f00f91eb92eb1f68731d8d668b34c943e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5443",
    "kind": "arxiv",
    "version": 1
  }
}