Pith Number

pith:OVW45O4M

pith:2013:OVW45O4MJOINQKC25X335EB55X

not attested not anchored not stored refs pending

Backward uniqueness for parabolic operators with variable coefficients in a half space

Jie Wu, Liqun Zhang

arxiv:1306.3322 v2 · 2013-06-14 · 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{OVW45O4MJOINQKC25X335EB55X}

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	2026-05-18T00:29:40.017888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

756dcebb8c4b90d8285aedf7be903dedc3c5033a6523caa364bf977ca7c300bc

Aliases

arxiv: 1306.3322 · arxiv_version: 1306.3322v2 · doi: 10.48550/arxiv.1306.3322 · pith_short_12: OVW45O4MJOIN · pith_short_16: OVW45O4MJOINQKC2 · pith_short_8: OVW45O4M

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/OVW45O4MJOINQKC25X335EB55X \
  | 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: 756dcebb8c4b90d8285aedf7be903dedc3c5033a6523caa364bf977ca7c300bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c69cd0bb5279cbf66c74e765b96126ff60a23e1006c5e103776300bfc5c5f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-14T08:04:31Z",
    "title_canon_sha256": "6818240efe483a423b71b304f5637af43261bccba4eebd955063b51340b77b17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3322",
    "kind": "arxiv",
    "version": 2
  }
}