Pith Number

pith:Z7N2YTVE

pith:2019:Z7N2YTVEFCKHPOMRWBPA34OF2J

not attested not anchored not stored refs pending

On Lane-Emden systems with singular nonlinearities and applications to MEMS

Jo\~ao Marcos do \'O, Rodrigo Clemente

arxiv:1901.02728 v1 · 2019-01-09 · 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{Z7N2YTVEFCKHPOMRWBPA34OF2J}

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	2026-05-17T23:56:39.619892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfdbac4ea4289477b991b05e0df1c5d264033603f43bd904c12cc266807dca6c

Aliases

arxiv: 1901.02728 · arxiv_version: 1901.02728v1 · doi: 10.48550/arxiv.1901.02728 · pith_short_12: Z7N2YTVEFCKH · pith_short_16: Z7N2YTVEFCKHPOMR · pith_short_8: Z7N2YTVE

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/Z7N2YTVEFCKHPOMRWBPA34OF2J \
  | 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: cfdbac4ea4289477b991b05e0df1c5d264033603f43bd904c12cc266807dca6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dbd827fd2e8f90c874d711bf5f6bb9e4627e37398d563bc73f79884a09e9d52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-09T13:30:48Z",
    "title_canon_sha256": "7e0ce442e9caae5eea74103235648672d68efefd3d9f5c4464792bccd5121ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02728",
    "kind": "arxiv",
    "version": 1
  }
}