Pith Number

pith:WFSU7TM5

pith:2021:WFSU7TM5KTPIPTKQABNN5XWIRQ

not attested not anchored not stored refs pending

A Characteristic Mapping Method for the three-dimensional incompressible Euler equations

Jean-Christophe Nave, Kai Schneider, Xi-Yuan Yin

arxiv:2107.03504 v1 · 2021-07-07 · 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{WFSU7TM5KTPIPTKQABNN5XWIRQ}

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	2026-07-05T05:43:08.039769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1654fcd9d54de87cd50005adedec88c0c13b8f26da93f31fc1f9db637c00774

Aliases

arxiv: 2107.03504 · arxiv_version: 2107.03504v1 · doi: 10.48550/arxiv.2107.03504 · pith_short_12: WFSU7TM5KTPI · pith_short_16: WFSU7TM5KTPIPTKQ · pith_short_8: WFSU7TM5

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/WFSU7TM5KTPIPTKQABNN5XWIRQ \
  | 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: b1654fcd9d54de87cd50005adedec88c0c13b8f26da93f31fc1f9db637c00774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63428697ba1ececf3577eb035945702b0760bde8744853f3c5d3091894d69bdf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-07-07T22:24:39Z",
    "title_canon_sha256": "8d6ddc103dd976fa951947cdf6afabfabc82f58174090d9efcaf92f01a1ec284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03504",
    "kind": "arxiv",
    "version": 1
  }
}