Pith Number

pith:DZPPZXBD

pith:2006:DZPPZXBDKECNJVSWYPUAWTMRYJ

not attested not anchored not stored refs pending

The Neumann sieve problem and dimensional reduction: a multiscale approach

Caterina Ida Zeppieri, Jean-Francois Babadjian, Nadia Ansini

arxiv:math/0605769 v1 · 2006-05-30 · 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{DZPPZXBDKECNJVSWYPUAWTMRYJ}

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	2026-05-18T03:08:25.506404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e5efcdc235104d4d656c3e80b4d91c26248975fe78288636de881936fe6725d

Aliases

arxiv: math/0605769 · arxiv_version: math/0605769v1 · doi: 10.48550/arxiv.math/0605769 · pith_short_12: DZPPZXBDKECN · pith_short_16: DZPPZXBDKECNJVSW · pith_short_8: DZPPZXBD

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/DZPPZXBDKECNJVSWYPUAWTMRYJ \
  | 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: 1e5efcdc235104d4d656c3e80b4d91c26248975fe78288636de881936fe6725d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f31b150a67bb01d660e86350f98af358ec70922651e64dbe3237ab3927cbffb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-05-30T20:51:10Z",
    "title_canon_sha256": "779508e34f909b0fe214900689d874cfd96d4fe63285a28f97a5f6b338a47340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605769",
    "kind": "arxiv",
    "version": 1
  }
}