Pith Number

pith:22L5Z2EU

pith:2008:22L5Z2EUDHO6KMLVWRCLJZYPOS

not attested not anchored not stored refs pending

Existence and dynamic properties of a parabolic nonlocal MEMS equation

Kin Ming Hui

arxiv:0809.4209 v3 · 2008-09-24 · 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{22L5Z2EUDHO6KMLVWRCLJZYPOS}

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	2026-05-18T04:42:12.561268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d697dce89419dde53175b444b4e70f748ecbc832ba3d1172343173ed1f859ab2

Aliases

arxiv: 0809.4209 · arxiv_version: 0809.4209v3 · doi: 10.48550/arxiv.0809.4209 · pith_short_12: 22L5Z2EUDHO6 · pith_short_16: 22L5Z2EUDHO6KMLV · pith_short_8: 22L5Z2EU

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/22L5Z2EUDHO6KMLVWRCLJZYPOS \
  | 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: d697dce89419dde53175b444b4e70f748ecbc832ba3d1172343173ed1f859ab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc2fb6d45a5e165103f73053f7af9c37c44744784e3fd6bc6cb65045ce9a1f6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-09-24T15:05:30Z",
    "title_canon_sha256": "516bec2d7641658121c11cf112b60074067fefd6458a108eeb77d9aaaab88f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4209",
    "kind": "arxiv",
    "version": 3
  }
}