Pith Number

pith:RFK6WEPT

pith:2012:RFK6WEPTT4CMTX47FSD562C2L5

not attested not anchored not stored refs pending

A Total Variation Diminishing Interpolation Operator and Applications

Abner J. Salgado, Ricardo H. Nochetto

arxiv:1211.1069 v1 · 2012-11-05 · 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{RFK6WEPTT4CMTX47FSD562C2L5}

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	2026-05-18T03:41:28.626572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8955eb11f39f04c9df9f2c87df685a5f730a9348334068ee047ce95378f00980

Aliases

arxiv: 1211.1069 · arxiv_version: 1211.1069v1 · doi: 10.48550/arxiv.1211.1069 · pith_short_12: RFK6WEPTT4CM · pith_short_16: RFK6WEPTT4CMTX47 · pith_short_8: RFK6WEPT

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/RFK6WEPTT4CMTX47FSD562C2L5 \
  | 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: 8955eb11f39f04c9df9f2c87df685a5f730a9348334068ee047ce95378f00980

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b94fbde43243bf6af651abaa00917f5eff4d9927a145627b8a583b370e7c8787",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-11-05T23:03:06Z",
    "title_canon_sha256": "9ff0d9c616b5c208211a2c8a56fcb00079780a17e65d407245eba64ca56a2978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1069",
    "kind": "arxiv",
    "version": 1
  }
}