Pith Number

pith:F7MRKVKZ

pith:2014:F7MRKVKZYVNM2LI243YUXYJD6X

not attested not anchored not stored refs pending

A canonical form for the continuous piecewise polynomial functions

Jorge Caravantes, Laureano Gonzalez-Vega, M. Angeles Gomez-Molleda

arxiv:1411.6919 v1 · 2014-11-25 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7MRKVKZYVNM2LI243YUXYJD6X}

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	2026-05-18T02:32:46.964780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd9155559c55acd2d1ae6f14be123f5f90347dc5e688c578458ca8b94395d56

Aliases

arxiv: 1411.6919 · arxiv_version: 1411.6919v1 · doi: 10.48550/arxiv.1411.6919 · pith_short_12: F7MRKVKZYVNM · pith_short_16: F7MRKVKZYVNM2LI2 · pith_short_8: F7MRKVKZ

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/F7MRKVKZYVNM2LI243YUXYJD6X \
  | 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: 2fd9155559c55acd2d1ae6f14be123f5f90347dc5e688c578458ca8b94395d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f5f010db1c1cd21df5ce9d0d472f589ed12664d847a355aa05bbdfcd4b3afb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2014-11-25T16:57:51Z",
    "title_canon_sha256": "18399456788949ded72ba7a2920ecae10ec0ea62259e501237bb1c4d5b61afd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6919",
    "kind": "arxiv",
    "version": 1
  }
}