Pith Number

pith:K4YMYMDP

pith:2015:K4YMYMDPAM47J3IMHKKSCYIRJU

not attested not anchored not stored refs pending

A short note on a Bernstein-Bezier basis for the pyramid

Jesse Chan, T. Warburton

arxiv:1508.05609 v1 · 2015-08-23 · 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{K4YMYMDPAM47J3IMHKKSCYIRJU}

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	2026-05-18T01:34:52.097488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5730cc306f0339f4ed0c3a952161114d2d563164f8c4e3d4ec4544cc389355de

Aliases

arxiv: 1508.05609 · arxiv_version: 1508.05609v1 · doi: 10.48550/arxiv.1508.05609 · pith_short_12: K4YMYMDPAM47 · pith_short_16: K4YMYMDPAM47J3IM · pith_short_8: K4YMYMDP

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/K4YMYMDPAM47J3IMHKKSCYIRJU \
  | 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: 5730cc306f0339f4ed0c3a952161114d2d563164f8c4e3d4ec4544cc389355de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98ffc982521dd79f813daab65a45b00056d45ce2be28e4cfb3efbb165dd426e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-23T13:54:09Z",
    "title_canon_sha256": "aa59b94ededb6889c78cffc76955a62ae369771935a7d1b087aa570010f311ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05609",
    "kind": "arxiv",
    "version": 1
  }
}