Pith Number

pith:CGYKKNWY

pith:2011:CGYKKNWYSIOOEVXEVAQPIFZ5CW

not attested not anchored not stored refs pending

Full analysis of the Green's function for a singularly perturbed convection-diffusion problem in three dimensions

N. Kopteva, S. Franz

arxiv:1103.2948 v2 · 2011-03-15 · math.NA · 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{CGYKKNWYSIOOEVXEVAQPIFZ5CW}

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	2026-05-18T02:22:19.043409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b0a536d8921ce256e4a820f4173d15a53f6633d1039cbe0c289fda96fd774d

Aliases

arxiv: 1103.2948 · arxiv_version: 1103.2948v2 · doi: 10.48550/arxiv.1103.2948 · pith_short_12: CGYKKNWYSIOO · pith_short_16: CGYKKNWYSIOOEVXE · pith_short_8: CGYKKNWY

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/CGYKKNWYSIOOEVXEVAQPIFZ5CW \
  | 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: 11b0a536d8921ce256e4a820f4173d15a53f6633d1039cbe0c289fda96fd774d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e75142d45052a6fbbfa048524c38b81050d81e698b4758a28cf78c8a946a3ae",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-03-15T16:13:19Z",
    "title_canon_sha256": "ad0c04c5b52471aea68992180f171f96238f8d645015b8cc20cdea92c2e20808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2948",
    "kind": "arxiv",
    "version": 2
  }
}