Pith Number

pith:7WZ2IBLB

pith:2015:7WZ2IBLBESXJM5FTJD5YGMVB7N

not attested not anchored not stored refs pending

A Lazer-McKenna type problem with measures

Francesco Petitta, Luigi Orsina

arxiv:1506.03669 v2 · 2015-06-11 · 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{7WZ2IBLBESXJM5FTJD5YGMVB7N}

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	2026-05-18T00:50:52.511274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb3a4056124ae9674b348fb8332a1fb4018e0ace213c900b8009fc915f20ce2

Aliases

arxiv: 1506.03669 · arxiv_version: 1506.03669v2 · doi: 10.48550/arxiv.1506.03669 · pith_short_12: 7WZ2IBLBESXJ · pith_short_16: 7WZ2IBLBESXJM5FT · pith_short_8: 7WZ2IBLB

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/7WZ2IBLBESXJM5FTJD5YGMVB7N \
  | 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: fdb3a4056124ae9674b348fb8332a1fb4018e0ace213c900b8009fc915f20ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d34bf5f1fd657faa05bb41f026960f82a25aeac921c83f8ec5265cf0d5ba4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-06-11T13:46:20Z",
    "title_canon_sha256": "1f4d65f665ee0e56b505be15cf71a34dbb7c35a2a65c7f6998f72ebf5a1452a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03669",
    "kind": "arxiv",
    "version": 2
  }
}