Pith Number

pith:EWXNJVU6

pith:2013:EWXNJVU6SXWHIERXJA2MP4ITHR

not attested not anchored not stored refs pending

Singularity formation for the incompressible Hall-MHD equations without resistivity

Dongho Chae, Shangkun Weng

arxiv:1312.5519 v1 · 2013-12-19 · 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{EWXNJVU6SXWHIERXJA2MP4ITHR}

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	2026-05-18T03:04:14.613152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25aed4d69e95ec7412374834c7f1133c51faa469107e3a514e742cb7e32679b3

Aliases

arxiv: 1312.5519 · arxiv_version: 1312.5519v1 · doi: 10.48550/arxiv.1312.5519 · pith_short_12: EWXNJVU6SXWH · pith_short_16: EWXNJVU6SXWHIERX · pith_short_8: EWXNJVU6

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/EWXNJVU6SXWHIERXJA2MP4ITHR \
  | 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: 25aed4d69e95ec7412374834c7f1133c51faa469107e3a514e742cb7e32679b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04830479bc44f90a5aa0d4a06e7c9d7105858c2b646f8729b48bf26caa61589f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-19T12:51:06Z",
    "title_canon_sha256": "a6d81950dfa245605c941a5d575cd917a3a7dc03593a1a4f8f9de7db067cfe52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5519",
    "kind": "arxiv",
    "version": 1
  }
}