Pith Number

pith:6PKY6HPX

pith:2017:6PKY6HPXLZ2Z6BWVGGENOAFQXL

not attested not anchored not stored refs pending

On the gevrey regularity of solutions to the 3d ideal mhd equations

Chao-Jiang Xu, Feng Cheng

arxiv:1702.06840 v1 · 2017-02-22 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PKY6HPXLZ2Z6BWVGGENOAFQXL}

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	2026-05-18T00:50:10.327550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d58f1df75e759f06d53188d700b0bad07e8f62ccc4ef5be20af2182ea19f1f

Aliases

arxiv: 1702.06840 · arxiv_version: 1702.06840v1 · doi: 10.48550/arxiv.1702.06840 · pith_short_12: 6PKY6HPXLZ2Z · pith_short_16: 6PKY6HPXLZ2Z6BWV · pith_short_8: 6PKY6HPX

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/6PKY6HPXLZ2Z6BWVGGENOAFQXL \
  | 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: f3d58f1df75e759f06d53188d700b0bad07e8f62ccc4ef5be20af2182ea19f1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358da6bd8491139d658e16008aa660a0a30bdba84652edc7a792042aa9355c86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-02-22T15:25:45Z",
    "title_canon_sha256": "446ae7e4ead35943c0e41e7c0e71c08a707599e96cfb8d32d618bcf6d2dc6136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06840",
    "kind": "arxiv",
    "version": 1
  }
}