Pith Number

pith:U3QYVBST

pith:2011:U3QYVBST2DZCVQUHTELMTWGSBG

not attested not anchored not stored refs pending

A note on Blasius type boundary value problems

Bogdan Przeradzki, Grzegorz Andrzejczak, Magdalena Nockowska-Rosiak

arxiv:1109.2580 v1 · 2011-09-12 · math.AP · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3QYVBST2DZCVQUHTELMTWGSBG}

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	2026-05-18T04:13:37.354264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e18a8653d0f22ac2879916c9d8d20984e37f594f0fbc239efe07188a471e6f

Aliases

arxiv: 1109.2580 · arxiv_version: 1109.2580v1 · doi: 10.48550/arxiv.1109.2580 · pith_short_12: U3QYVBST2DZC · pith_short_16: U3QYVBST2DZCVQUH · pith_short_8: U3QYVBST

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/U3QYVBST2DZCVQUHTELMTWGSBG \
  | 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: a6e18a8653d0f22ac2879916c9d8d20984e37f594f0fbc239efe07188a471e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba763caec2e809a70d761b22ed83ddc8be068d4105a7ae727259fd9541e83559",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-09-12T19:42:57Z",
    "title_canon_sha256": "487bdbdc49387e090fa00995c0b7bffa208451202085871a25476f5f74f07194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2580",
    "kind": "arxiv",
    "version": 1
  }
}