Pith Number

pith:QDSP57EX

pith:2012:QDSP57EXF6OG2QGDGHCWE3VKEE

not attested not anchored not stored refs pending

Regularization by 1/2-Laplacian and vanishing viscosity approximation of HJB equations

Imran H. Biswas

arxiv:1205.6943 v2 · 2012-05-31 · 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{QDSP57EXF6OG2QGDGHCWE3VKEE}

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	2026-05-18T03:17:14.818855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e4fefc972f9c6d40c331c5626eaa2114ff22b1638290bd634869133eb9757f

Aliases

arxiv: 1205.6943 · arxiv_version: 1205.6943v2 · doi: 10.48550/arxiv.1205.6943 · pith_short_12: QDSP57EXF6OG · pith_short_16: QDSP57EXF6OG2QGD · pith_short_8: QDSP57EX

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/QDSP57EXF6OG2QGDGHCWE3VKEE \
  | 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: 80e4fefc972f9c6d40c331c5626eaa2114ff22b1638290bd634869133eb9757f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d0aa7682531925ae3bdf32b5bb6dbdc5349a503d16212c64f677db99f9f3c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-31T10:00:27Z",
    "title_canon_sha256": "1ea94c8026af5583992aa203b42dfa53abb580628ec93c7abb4f65ba4fec631f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6943",
    "kind": "arxiv",
    "version": 2
  }
}