Pith Number

pith:4LL3KUW5

pith:2015:4LL3KUW56YXGFCQIA5M4XL4DNU

not attested not anchored not stored refs pending

Orthogonal bases for vertex-mapped pyramids

Jesse Chan, T. Warburton

arxiv:1502.07703 v2 · 2015-02-26 · 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{4LL3KUW56YXGFCQIA5M4XL4DNU}

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	2026-05-18T02:25:33.630808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d7b552ddf62e628a080759cbaf836d13af3ab8ebf06ce04b3fcb9f890f1f5a

Aliases

arxiv: 1502.07703 · arxiv_version: 1502.07703v2 · doi: 10.48550/arxiv.1502.07703 · pith_short_12: 4LL3KUW56YXG · pith_short_16: 4LL3KUW56YXGFCQI · pith_short_8: 4LL3KUW5

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/4LL3KUW56YXGFCQIA5M4XL4DNU \
  | 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: e2d7b552ddf62e628a080759cbaf836d13af3ab8ebf06ce04b3fcb9f890f1f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dc2b082c694fa47fcaf6a7e9f67b486fec013127c2ef32fb95567e1a8cc129e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-26T20:02:59Z",
    "title_canon_sha256": "a113928a5150a62aa7f0c8e08b8c2ebec770f163647a2a4facfb1030a8e38f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07703",
    "kind": "arxiv",
    "version": 2
  }
}