Pith Number

pith:WPFFYJB5

pith:2021:WPFFYJB5AAEA5J7MQG5KBJX7BP

not attested not anchored not stored refs pending

A Characteristic Mapping Method for Tracer Transport on the Sphere

Jean-Christophe Nave, Seth Taylor

arxiv:2106.13170 v3 · 2021-06-24 · 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{WPFFYJB5AAEA5J7MQG5KBJX7BP}

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	2026-07-05T05:37:03.391573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3ca5c243d00080ea7ec81baa0a6ff0bd606b7a7220c915bdb9d02d414acfef8

Aliases

arxiv: 2106.13170 · arxiv_version: 2106.13170v3 · doi: 10.48550/arxiv.2106.13170 · pith_short_12: WPFFYJB5AAEA · pith_short_16: WPFFYJB5AAEA5J7M · pith_short_8: WPFFYJB5

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/WPFFYJB5AAEA5J7MQG5KBJX7BP \
  | 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: b3ca5c243d00080ea7ec81baa0a6ff0bd606b7a7220c915bdb9d02d414acfef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5a176a8569c12015b37aa24b64acb55897abe18d47da00ad7da1a8d3568bf11",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-06-24T16:40:39Z",
    "title_canon_sha256": "c97484d7e256b7df9c574b1164079ee7a3ec6882e638275a41857cb1b9ceb885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13170",
    "kind": "arxiv",
    "version": 3
  }
}