Pith Number

pith:4MWPJZF5

pith:2014:4MWPJZF5CWT5PQBDM6VHTZPKTF

not attested not anchored not stored refs pending

A trivariate interpolation algorithm using a cube-partition searching procedure

Alessandra De Rossi, Roberto Cavoretto

arxiv:1409.5423 v1 · 2014-09-18 · 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{4MWPJZF5CWT5PQBDM6VHTZPKTF}

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	2026-05-18T01:29:59.357415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e32cf4e4bd15a7d7c02367aa79e5ea995dd1428c42d170f467c17cf714672106

Aliases

arxiv: 1409.5423 · arxiv_version: 1409.5423v1 · doi: 10.48550/arxiv.1409.5423 · pith_short_12: 4MWPJZF5CWT5 · pith_short_16: 4MWPJZF5CWT5PQBD · pith_short_8: 4MWPJZF5

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/4MWPJZF5CWT5PQBDM6VHTZPKTF \
  | 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: e32cf4e4bd15a7d7c02367aa79e5ea995dd1428c42d170f467c17cf714672106

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d31cb7ec3962f240151120d73f0da9ac0595b146973d68cdfbc624c6f4aca9c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-18T19:46:16Z",
    "title_canon_sha256": "81f998c84c5528fb41d68892d949ef24768b7b229a1e9f1531f9d9015a9e62a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5423",
    "kind": "arxiv",
    "version": 1
  }
}