Pith Number

pith:6PTSUKMV

pith:2011:6PTSUKMVIVPTSAEWNZOW4RPPV2

not attested not anchored not stored refs pending

Some remarks on biharmonic elliptic problems with a singular nonlinearity

Baishun Lai

arxiv:1101.3904 v1 · 2011-01-20 · 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{6PTSUKMVIVPTSAEWNZOW4RPPV2}

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	2026-05-18T04:31:20.849908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e72a2995455f3900966e5d6e45efaeb15b386221fcf922318fc4487fe59a50

Aliases

arxiv: 1101.3904 · arxiv_version: 1101.3904v1 · doi: 10.48550/arxiv.1101.3904 · pith_short_12: 6PTSUKMVIVPT · pith_short_16: 6PTSUKMVIVPTSAEW · pith_short_8: 6PTSUKMV

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/6PTSUKMVIVPTSAEWNZOW4RPPV2 \
  | 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: f3e72a2995455f3900966e5d6e45efaeb15b386221fcf922318fc4487fe59a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49ab76728ada75c2883afdec1a1b34bdfa813f95fe067171a818e2c734af9b4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-01-20T13:52:52Z",
    "title_canon_sha256": "23fc90b61ed966edd7b721dfc26d23d5117720c929bde9da47ace6804375e38a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3904",
    "kind": "arxiv",
    "version": 1
  }
}