Pith Number

pith:O5KSR4N2

pith:2019:O5KSR4N2J4CVGGSN44ARUUHFSS

not attested not anchored not stored refs pending

A development of Lagrange interpolation, Part I: Theory

Amir H. Hadian-Rasanan, Kourosh Parand, Mehdi Delkhosh

arxiv:1904.12145 v1 · 2019-04-27 · math.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{O5KSR4N2J4CVGGSN44ARUUHFSS}

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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.

Cited by

1 paper in Pith

SPSMAT: GNU Octave software package for spectral and pseudospectral methods

Receipt and verification

First computed	2026-05-17T23:47:38.860766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775528f1ba4f05531a4de7011a50e594b7f86f191192d44666e09357c7caf535

Aliases

arxiv: 1904.12145 · arxiv_version: 1904.12145v1 · doi: 10.48550/arxiv.1904.12145 · pith_short_12: O5KSR4N2J4CV · pith_short_16: O5KSR4N2J4CVGGSN · pith_short_8: O5KSR4N2

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/O5KSR4N2J4CVGGSN44ARUUHFSS \
  | 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: 775528f1ba4f05531a4de7011a50e594b7f86f191192d44666e09357c7caf535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52e64c82f1b6595591fa469b7e7975f6cb93d9ee61dbd67ff85517493b51bb6c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-27T11:06:24Z",
    "title_canon_sha256": "72711f844d0bdbb15bbf74d87022e5c1cad2f89bb2395432550bb23c201f57b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12145",
    "kind": "arxiv",
    "version": 1
  }
}