Pith Number

pith:TJZZ2NO4

pith:2016:TJZZ2NO4XPQELOQLJ4GC3N2L2R

not attested not anchored not stored refs pending

Piecewise Extended Chebyshev Spaces: a numerical test for design

Carolina Vittoria Beccari, Giulio Casciola, Marie-Laurence Mazure

arxiv:1606.07591 v1 · 2016-06-24 · 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{TJZZ2NO4XPQELOQLJ4GC3N2L2R}

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	2026-05-18T01:11:57.190935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a739d35dcbbe045ba0b4f0c2db74bd4633c7cc8795e260424ac37dd8de30f7d

Aliases

arxiv: 1606.07591 · arxiv_version: 1606.07591v1 · doi: 10.48550/arxiv.1606.07591 · pith_short_12: TJZZ2NO4XPQE · pith_short_16: TJZZ2NO4XPQELOQL · pith_short_8: TJZZ2NO4

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/TJZZ2NO4XPQELOQLJ4GC3N2L2R \
  | 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: 9a739d35dcbbe045ba0b4f0c2db74bd4633c7cc8795e260424ac37dd8de30f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fb85f155c5d7d63e246a075fc587a9d0e5e068a1766b56e690cb093eefe54e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-24T07:57:56Z",
    "title_canon_sha256": "c7b84ad73fd7fa3a92a75bfe843136022aa19dbe3b8136f351607f76602855be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07591",
    "kind": "arxiv",
    "version": 1
  }
}